ESApod, audio and video from space

Herschel, the largest telescope ever launched, will study objects within and outside our Galaxy. It will be able to peer through clouds of gas and dust and observe stars as they form. Unlike Herschel, Planck will rotate continuously about its axis, scanning the whole sky to compile the most detailed and complete map ever of the Cosmic Microwave Background, or CMB. This CMB radiation is the relic radiation left over from the Big Bang, which occurred about 14 thousand million years ago. Herschel and Planck will be launched together atop an Ariane 5 rocket in spring 2009.
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Data on the climate and vegetation cover collected by ESA’s Earth observation satellites are proving to be an invaluable tool to fight food scarcity. With the aid of Earth observation data, the Food and Agriculture Organisation (FAO) of the United Nations state that, in Ethiopia there has been four successive years of increased cereal production. This shows that Earth observation data is leading to better understanding of the conditions that affect crops and grazing pastures, both fragile but vital components in African food production. At the FAO Headquarters in Rome, Italy, satellite data are used to follow vegetation coverage and weather conditions virtually in real-time. That gives scientists a valuable forecasting tool and to some degree, an early-warning system. In addition, at ESA's Centre for Earth Observation just outside Rome, satellite data are being used to map vegetation coverage on an unprecedented scale. This map provides the FAO and the UN with a precise and up-to-date view of global vegetation coverage.
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On 25 and 26 November in The Hague, Ministers in charge of space activities within the now 18 ESA Member States and Canada meet to define the role of space in delivering Europe's global objectives. In a dedicated interview, ESA Director General Jean-Jacques Dordain explains the situation in space today and tomorrow and what ESA proposes in front of the current context of economical crisis. Jean-Jacques Dordain defines the priorities for Europe in space, talks about new programmes and how ESA will evolve.
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Since the very first satellites carrying scientific instruments were launched, our understanding of the cosmos has improved. The Sun is studied to the core and, beyond our star, the Universe is becoming less obscure. Knowledge of the Universe relates directly to humanity’s future. Over decades, ESA’s science programme has been conducted with long-term vision and, on many occasions, in international partnerships. The Cosmic Vision initiative is now paving the way for future missions that will launch starting in 2015. Understanding the nature of dark matter, bringing back samples of an asteroid, returning to the moons of Saturn or Jupiter, and establishing whether life existed on Mars, are difficult choices with budgets that are not indefinitely expandable. Priorities have to be set, responsibilities shared, and work must be done in international teams. In pursuing its Space Science effort, Europe is consolidating its technological know-how in many, often unrelated disciplines. The spirit of adventure and exploration also fires the imagination of youngsters, prompting their interest in science.
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The successful docking of the European Columbus module and the launch of the Automated Transfer Vehicle have opened a new era for Europe’s presence in space with the aspiration to consolidate its independence. Now, ESA is working on a proposed programme to develop new versions of the Automated Transfer Vehicle (ATV). The projects ESA is considering are essentially based on a re-use of the ATV's service module and the replacement of the integrated cargo carrier with a re-entry capsule. This would allow for atmospheric re-entry, bringing down to the Earth first some cargo and then in the future a complete crew. ESA and its industrial partners will have to develop new technologies to satisfy other crucial requirements, such as the ejection system to ensure the absolute safety of a space capsule’s crew in case of an anomaly on the launch pad or during its ascent phase.
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Relying largely on satellite data, the Global Monitoring for Environment and Security (GMES) programme will provide accurate and timely data to better manage the environment, understand and mitigate the effects of climate change and ensure civil security. ESA is responsible for the Space Component of GMES. It will provide continuous, accurate satellite data from Earth observation satellites, like Envisat and ERS. As part of the GMES programme, ESA is also developing, building and launching a new series of Earth monitoring satellites called Sentinels. The Sentinels are five families of satellites that will monitor the land, oceans, ice and atmosphere for markers of environmental change. Data from the Sentinel satellites as well as other ESA and non-ESA missions contributing to GMES will be combined with measurements taken on Earth. As changes in parameters such as air quality and ocean height are recorded over time, legislation can be put in place to tackle issues such as flooding, deforestation and drought.
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The European Space Agency is developing a network of satellites – the European Data Relay Satellite System – that will use geostationary satellites to communicate with both ground stations and other satellites – whose lower orbits restrict the time that they can ‘see’ any one ground station. Allowing low-Earth orbit satellites to deliver data continuously, instead of storing it on board for transmission while overflying a ground station, will increase the timeliness with which we receive data improving global communications, navigation and Earth observation. By developing this satellite infrastructure, ESA will improve many key services, such as the monitoring of earthquakes, forest fires and floods, aircraft navigation and the observation of sea-ice zones. On-demand satellite data will be available at the right place and at the right time – improving and even saving lives.
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After being launched into space, the IXV - or Intermediate eXperimental Vehicle - will return to earth as if from a low-Earth orbit mission, testing brand-new European atmospheric re-entry technologies during its hypersonic and supersonic flight phases. For ESA, the mission is essential to further develop critical technologies for future robotic or manned spacecraft. In the name Intermediate eXperimental Vehicle, the word intermediate means that the vehicle builds on earlier achievements and performs the step that forms the bridge to future developments. The two-hour IXV mission is scheduled for launch in 2012 on board Vega, Europe's new, small launcher.
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In May 2009, Belgian ESA astronaut Frank De Winne will fly together with Russian cosmonaut Roman Romanenko and Canadian Space Agency astronaut Robert Thirsk on a Russian Soyuz spacecraft to the ISS. His back-up for the trip will be Dutch ESA astronaut André Kuipers. De Winne’s role on board the ISS will be to carry out experiments for an extensive scientific European programme. He will also be operating the Station’s robotic arm and the Japanese robotic arm after the docking of HTV, the cargo module from Japan. In preparation for these activities De Winne has been going through an intensive and long period of training aimed at preparing him physically and practising the experiments he will have to carry out on board the ISS in microgravity.
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On the island of Sriharikota, 150 kilometres north of Chennai, India has based its launch centre SHAR, the Satish Dhawan Space Centre, named after the research scientist and former president of the ISRO, the Indian Space Research Organisation. At SHAR two launch pads have been built for the two rockets developed by India: the PSLV, a 4-stage launch vehicle using liquid and solid propulsion and able to launch one-tonne craft into geostationary transfer orbit and the GSLV, a 2-tonne capacity launcher for geostationary transfer orbit. PSLV has the performance level required to launch Chandrayaan-1 on its way to the moon. Sriharikota is like a real town. About 2000 employees are living on the island with their families.
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The first venture between India and Europe took place in the 1980s. In 1981, Europe's Ariane 3 rocket launched into space India's first geostationary satellite Apple. The cooperation continues today with India's lunar mission Chandrayaan-1. India's INSAT satellites were also designed for weather forecasting and Earth observation. Thirteen of them lifted-off with Europe's Ariane launchers. Today India has developed its own launchers at its Sriharikota base in the Bay of Bengal and is about to enter a new stage with its first lunar mission Chandrayaan-1. The large antenna designed by the Indian Space Agency and specially installed outside Bangalore to monitor the Chandrayaan-1 mission forms part of India's deep space network and is a good illustration of India's desire to play a role in the conquest of space and to offer its services to other countries. India is also interested in other forms of cooperation that go beyond lunar discovery and astronomical missions.
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The Indian launch vehicle PSLV is now at its launch station at Shriharikota - nowadays Chennai - a small island 100 km from Madras in the Bay of Bengal. It is waiting for its passenger, the Indian spacecraft Chandrayaan-1, currently under preparation in Bangalore. Chandrayaan means ‘journey to the moon’ in Hindi. India has already built and launched many satellites but this is the first time that it will venture beyond the orbit of Earth. Six out of the 11 research instruments on board Chandrayaan are the result of international cooperative efforts, three of them with the European Space Agency (ESA). For ESA, Chandrayaan also represents an opportunity to re-use improved versions of the instruments which studied the moon on its SMART-1 lunar mission, and also a chance to send in orbit new instruments which will be used in upcoming ESA missions, such as the BepiColombo mission to Mercury.
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Since July 2008 the GOCE Earth Explorer satellite has been at the Plesetsk Cosmodrome in northern Russia. ESA’s Gravity field and steady state Ocean Circulation Explorer (GOCE) is a unique satellite that will map the Earth's gravity field for a better understanding of our planet. Although GOCE was due to lift-off in September 2008, launch has been postponed pending a technical issue on the Rockot launcher.
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Two de-orbit manoeuvres will lower ESA's Jules Verne Automated Transfer Vehicle. Break up of the satellite is expected at an altitude of 65 km. The crew on board the ISS will attempt to observe the re-entry of the satellite over the Pacific. Engineers are already working on the following two ATVs. The next one is scheduled for launch in 2010 and proposals to adapt the spaceship to other tasks are ongoing.
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Steins is Rosetta's first nominal scientific target. Based upon ground-based observations, it has been classified as an 'E-type' asteroid, composed mainly of silicates and basalts, but its properties are not known in detail. For these reasons, it has been selected as one of the two asteroids that Rosetta will study, from among those that were within reach of the mission. The study of asteroids is extremely important as they represent a sample of Solar System material at different stages of evolution – key to understanding the origin of our own planet and of our planetary neighbourhood. The spacecraft will rendezvous with the asteroid in the course of its first incursion into the asteroid belt, while on its way to comet 67/P Churyumov-Gerasimenko.
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Asteroid Steins belongs to the rare, largely unknown intermediate E-class, very bright and probably with a much-weathered surface. Steins' orbit was only known from ground observations, so Rosetta is conducting Europe's first-ever optical tracking campaign, providing highly accurate position data to Flight Dynamics specialists who are planning a series of trajectory corrections for an accurate fly-by. For over a year, Rosetta scientists and leading asteroid experts have been planning this encounter, and all the probe's science instruments will be active at some point in the fly-by. Reception of the first images is expected at the European Space Operations Centre some two hours after the encounter on 5 September 2008.
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ESA's GOCE mission is dedicated to measuring the Earth's gravity field and modelling the geoid with unprecedented accuracy and spatial resolution. GOCE is the first in a series of research missions known as Earth Explorers. Driven by the needs of the scientific community, Earth Explorers will provide the data to help understand critical Earth system variables and put Europe in pole position on Earth observation in the coming years. GOCE is due for launch in September 2008 on a Russian Rockot vehicle – a converted SS-19 Russian Intercontinental Ballistic Missile – from the Plesetsk Cosmodrome in northern Russia. All the data collected by GOCE will go towards creating a global gravity-field map with a level of accuracy never before available. ESA has developed an internet interface that will make these data easily and quickly available to scientists and researchers.
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The search for water in space has been quite successful; traces of ice have been found on Mars and water vapour has been found in several places in our galaxy. Water vapour was also recently detected on a planet outside our Solar System for the first time. It was an important discovery, although the planet is far too hot to be able to support life. Heavy water, which is also found on comets, poses the question of whether we can trace the origins of the water on earth through the heavy water found on objects like asteroids and comets. The Herschel space observatory, due for launch within a year’s time, will help explore the theory that water vapour plays an important role in regions of space where interstellar clouds of gas and dust are forming new stars.
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Hubble has been serviced and upgraded four times. The fifth and final tune-up is scheduled for October 2008. After this, it is expected to be in fit working order for another five years. The James Webb Space Telescope (JWST), a project of partnership between ESA, NASA and the Canadian Space Agency, is scheduled for launch in 2013. It is the largest and most complex space probe ever built. JWST will observe in infrared wavelengths, providing unprecedented results.
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For more than 17 years, the joint ESA/NASA mission Ulysses studied the heliosphere (the sphere of influence of the Sun) and our local interstellar neighbourhood, providing the first-ever map of the heliosphere in the four dimensions of space and time. Ulysses was designed to last for five years but it is still returning valuable data. The mission, which takes the spacecraft over the poles of the Sun, was extended four times, allowing Ulysses to pass over the Sun’s poles for a second and third time. But like all good things, the mission is coming to an end.
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The Galileo constellation will be the world's most reliable global navigation system. The technologies that have been developed to achieve such precision will also provide data for use in many other fields, such as oceanography and meteorology. The Galileo system will also open new horizons in fundamental sciences. The extremely small differences in timekeeping between the satellite clocks moving in orbit and their Earth-bound counterparts will lead scientists to a re-evaluation of the nature and influence of gravity in the Universe.
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Earlier this week, ESA signed a contract at the Berlin Airshow's Space Pavilion to build the EarthCARE satellite - the Agency's 'Cloud, Aerosol and Radiation' mission. Due for launch in 2013, EarthCARE will gather data to give scientists a better understanding of the interactions between radiation and clouds and aerosols in the atmosphere. Earth Observation is a central pillar in Europe's space activities; EO generates direct benefits for citizens and governments and employs science for a better understanding of our planet.
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Radar sounders aboard ESA's Mars Express and NASA's Mars Reconnaissance orbiters have already detected ice deposits deep underground. Now, after a ten-month journey, NASA's Phoenix lander will continue the search for water. Its objective is to land in a permafrost region near the north pole. Its suite of instruments will scan the atmosphere and a robotic arm will attempt to dig down to an ice-rich layer expected to lie at arm's reach below the surface. But water is not the sole element that could have harboured life on the Red Planet: methane could also establish a link between life on Earth and Mars. Scientists have already found traces of methane in the atmosphere of Mars and are currently trying to work out exactly where the gas is coming from. On Earth, it is well known that the source of methane is mostly life. So, whilst orbiting spacecraft like Mars Express continue to harvest global views, in-situ observations on the martian surface like those of NASA's Phoenix lander and ESA's ExoMars mobile laboratory, due to launch in 2011, remain necessary. The critical entry, descent and landing phase of the Phoenix probe will, at NASA's request, be provided with support from ESA.
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From an exceptionally low orbital altitude, GOCE (Gravity Field and steady-state Ocean Circulation Explorer) will measure global variations in the Earth's gravity field with extreme detail and accuracy. This will result in a unique model of the geoid, which is the surface of equal gravitational potential defined by the gravity field – crucial for deriving accurate measurements of ocean circulation and sea-level change, both of which are affected by climate change. GOCE-derived data is also much needed to understand more about processes occurring inside the Earth and for use in practical applications such as surveying and levelling. GOCE is the first in the series of Earth Explorer missions being developed within ESA's Living Planet Programme. Earth Explorer missions form the science and research element of the Living Planet Programme and focus on the atmosphere, biosphere, hydrosphere, cryosphere and the Earth's interior, with the overall emphasis on learning more about the interactions between these components and the impact that human activity is having on natural Earth processes. The satellite is currently undergoing final preparations at ESA-ESTEC in the Netherlands prior to launch this summer from the Plesetsk Cosmodrome in northern Russia.
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The principle is simple: a satellite-tracking antenna on the roof of the train ensures a permanent link with a telecommunications satellite. The link is then relayed inside the train through wireless access points installed in the ceilings of the carriages. A great technological achievement: a continuous, two-way link between a train travelling at 300 kilometres per hour and a satellite at an altitude of 36 000 kilometres. The technology demonstrator was developed with ESA support by the UK-based company 21Net, an operator specialised in providing Internet access via satellite. A consortium, lead by Nokia Siemens Networks and including 21Net, has now implemented a commercial version of the system on Thalys trains.
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GIOVE-B will be a satellite very close to the satellites planned for the operational Galileo system to be deployed by 2013. In particular it will carry a high precision atomic clock which, once on orbit, will be the most accurate clock ever flying in space. With this launch the European Space Agency and the European Commission are consolidating the foundations of Galileo, the first global civil positioning system.
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Jules Verne ATV's laser rendezvous sensor will emit a signal and receive a reflection back from the International Space Station. Engineers at the ATV Control Centre and the astronauts on board ISS will monitor the spacecraft as it approaches for docking, making sure it follows a predefined corridor and that the spacecraft is flying at the right angle. This complex system has back-up layers which will kick in if there are any problems. But should its two redundant chains break down, the ATV has a third, totally independent monitoring and safing unit which can be triggered to order the spacecraft to safely back-off from its target and return to its usual cruise mode.
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On 14 March, ATV successfully demonstrated the crucial Collision Avoidance Manoeuvre, or CAM, in which an automated system successfully took over control of the vessel and moved to a safe location. Now, two more 'Demonstration Days' are scheduled prior to the actual docking. The first, 29 March, will demonstrate that the ATV can automatically calculate its position and manoeuvre with respect to the Station using relative GPS navigation; it will also perform an 'Escape' manoeuvre from the S2 position, some 3500 m behind the ISS. The data from this rehearsal will be analysed by ATV mission managers and NASA and Russian partners before proceeding to a second Demonstration Day, on 31 March. This second dry-run will test close proximity manoeuvring and control, including contingency manoeuvres for both the ATV control centre and the crew aboard the ISS. The ATV will approach first to within 20 metres of the station, retreat, then approach even nearer, to a point only 12 metres from the docking port on the ISS Russian Zvezda module, before again backing off to a safe 100-metre distance. Demo Day 2 will provide ultimate proof that Europe's resupply vessel is absolutely ready for final rendezvous and docking.
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A number of missions have spent time exploring these unknown worlds in the solar system.
In January 2005, the European lander, Huygens stunned the world as it landed on Saturn's largest moon, Titan, revealing unexpected data. Missions such as ESA's SMART-1, which compiled the first comprehensive inventory of key chemical elements in the lunar surface and tested new technology, have become increasingly important today.
To follow-up on the technological breakthroughs of SMART-1, ESA will be participating in Chandrayaan-1, the Indian space agency's lunar mission, due for launch in 2008.
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Provided by Thales Alenia Space in Italy, Jules Verne ATV’s Integrated Cargo Carrier is about half the volume of ESA’s Columbus laboratory.
Around 180 kg of European cargo was first packed in Italy before being transported to Kourou, in French Guiana. Before the cargo was loaded into the spacecraft, the entire pressurised section was disinfected as a sanitary precaution. Some 1200 kg of supplies, mainly from NASA, were stored on board, including 500 kg of food, and 80 kg of clothing and spare parts.
Amongst the cargo are also gifts for the ISS crew, including a luxury 19th Century edition of Jules Verne's work 'From the Earth to the Moon', and the winning music playlist from ESA's ATV competition, selected to inspire them and brighten their day.
The ATV's tanks were loaded with drinkable water, oxygen, nitrogen and fuel for the Space Station's propulsion system. After further sanitary inspections the hatch was closed, the ATV was purged and filled with pure synthesized air.
Once docked with the International Space Station, astronauts will be able to access the cargo section without spacesuits, to unload supplies, to store others, to place waste material to be discarded and even use it as a rest quarters.
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The 48 cubic meter pressurised cargo module gives the ATV a capacity three times greater than existing space freighters. Its racks can be packed with more than 1300 kg of food, clothes, and equipment.
Reservoirs can carry several hundred litres of drinking water and gases. Other tanks are loaded with important quantities of propellants. Astronauts will unload the cargo at their leisure, and use it as a storage area. Unwanted items and refuse placed inside will burn up when the vessel re-enters the Earth's atmosphere at the end of its mission.
Other ATVs will follow. The five scheduled between now and 2015, will be crucial elements of the ISS, particularly after the last Shuttle flight in 2010. And future versions of the spacecraft are already on the drawing boards.
The ATV Programme represents an investment of some 1.3 billion Euros since 1995, to the benefit of European industry. Under the direction of ESA and prime contractor EADS Astrium, engineers throughout the continent have contributed to this new generation spacecraft.
Major sub-contractors include Thales Alenia Space (Italy), Astrium (Germany and France), Oerlikon Space (Switzerland), Dutch Space (The Netherlands), with Russian partners providing the advanced docking mechanism.
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From 1998, the International Space Station has required regular visits - to date 58 dockings - of the Shuttles, Soyuz crew, and Progress supply ships. Unmanned - but man-rated – ESA's Automated Transfer Vehicle (ATV) has the unique capability to perform automatic rendezvous in a fully autonomous manner. The rendezvous of ESA's Jules Verne ATV with the ISS uses GPS navigation, star tracker devices, two critical sensors, a telegoniometer and a videometer. After raising its orbit to some 400 kilometres, the ATV will come in sight of the ISS, and from about 30 kilometres distance behind, and 5 kilometres below, it will close in on its target. For any emergency occurring during spacecraft navigation, flight controllers can at anytime call on the ATV independent system and back away from the Space Station. Astronauts on the ISS can also reject the spacecraft in case of anomalies. Their task onboard is ensuring ATV either touches at the right place at the right speed, or doesn’t touch at all. With its unprecedented cargo and re-boost capabilities, ATV will service the Space Station for many years and could become a unique asset after the Shuttle retirement in 2010. Its advanced technologies will no doubt have other uses: for robots to recover old satellites and space debris, to return planetary samples back to Earth, for the remote construction of large space structures, and notably for interplanetary journeys.
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Equipped with its own propulsion and navigation system, the unmanned ATV "space truck" - dubbed 'Jules Verne' - has a sophisticated automatic navigation system. Even though the ATV is an automatic space vehicle, ground control experts from ESA and CNES, the French space agency, will be heavily involved in operations. They are prepared for any contingency, determining the route the spacecraft must take to dock with the ISS and working closely with the other two ISS control centres involved in ATV operations: the Mission Control Centre - Moscow (MCC-M) and the MCC-H, in Houston. At each of these control centres, European, American and Russian engineers coordinate their actions and carry out final manoeuvres with extreme precision.
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Three-quarters of the globe is covered in water and its influence is felt everywhere. It’s not only oceans, rivers and lakes that affect the climate but water in all its forms, such as soil moisture and its evaporation.
SMOS, ESA’s water mission, will provide a uniform dataset for understanding better the water cycle, thus helping to forecast climate change and predict extreme weather conditions. Circulating at a low orbit of around 750 km above the Earth, SMOS will be the first satellite to provide us with a global picture of ocean salinity levels. Understanding the salinity and temperature of the seas will help to predict more easily the zones where hurricanes intensify as they pass over the ocean.
Salinity in the oceans has a big impact on ocean circulation, which plays a key role in driving the global climate.
The SMOS satellite will be launched into space in 2008 atop the Russian launcher ‘Rockot’.
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Before each manoeuvre, the mission control team at ESA's Space Operations Centre simulates all aspects of the upcoming operation and practices identifying and solving problems that could arise. The multinational team must work as one to react immediately and effectively. Once at its target comet in 2014, Rosetta’s lander, Philae, will touch down and study the comet’s surface composition and drill into the icy nucleus to collect and analyse samples, including complex organic material that may have contributed to the formation of life on Earth.
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Radio telescopes must be very large in size to achieve the same resolution as optical telescopes. The only way to do this is by coupling two or more of them, the further apart the better, and to analyse their combined signals. An interferometer is a system which can avoid increased expenses due to the large size of the receiver. It consists of two or more elements of large antennae. By connecting them in a special fashion, it is possible to artificially create a larger telescope. The European hub for what is called Very Long Baseline Interferometry (VLBI) is situated in Dwingeloo in the Netherlands, at the Joint Institute for VLBI in Europe, JIVE.
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The conference began at 08:30 with breakfast, followed at 09:00 by a press briefing to review the Agency’s activities in 2007 and look ahead to those of 2008, a year set to be full of events and marked by several major launches (ATV, Giove-B, GOCE, Herschel and Planck, SMOS, Vega), as well as a major programmatic milestone for ESA: the Council meeting at Ministerial level in late November.
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Today, the specialists at the European Space Agency's Research and Technology Centre in the Netherlands are able to confirm that the GIOVE-A mission is a success. This is an essential result for the next step in the programme: the launch of GIOVE-B, the second experimental satellite, scheduled for lift off by mid-2008. This satellite will broadcast the latest signals, which have been agreed with the United States, and two different types of onboard technologies that will provide the best timing synchronisation experienced so far. When complete, Galileo will be a constellation of 30 satellites supported by a network of ground stations, creating a global network. With this joint project, the European Commission and ESA plan a civil system providing guidance and assistance regardless of location. The fact that Galileo will be a civil system means it will guarantee continuity of access and signal quality - unlike the American GPS system, which is under military control. Nevertheless, Galileo and GPS will be compatible and interoperable - increasing the reliability of both systems.
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Harmony, also known as Node 2, was delivered to the International Space Station (ISS) by the STS-120 Shuttle mission last October. After STS-120 returned to Earth, the ISS Expedition 16 crew continued work to move Harmony to its final destination and get it ready to receive the next stage of the ISS: Europe's Columbus laboratory. Columbus has been installed in the cargo bay of Space Shuttle Atlantis, ready for launch at 22:31 CET (21:31 UT) on December 6th. Two European astronauts will deliver the European Columbus laboratory to the ISS on this historical space mission. During his 12 day mission to the ISS, ESA astronaut Hans Schlegel will undertake 2 spacewalks to install the laboratory. His colleague, Léopold Eyharts, will oversee the installation and the start-up of Columbus and its scientific facilities during a two month stay on board the Station. Once in place, the laboratory will begin to bear the fruits of Europe's investment in the International Space Station Programme.
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This project is co-funded by the European Space Agency as part of a programme dedicated to telemedicine. The aim is to test a satellite communication system, the only technology that would remain fully operational in the event of a natural disaster. The exercise demonstrates the efficiency of satellite telecommunications for intervention in the field while offering the possibility to inform the rest of the world about the evolution of the situation. This is a good example of what ESA wants to develop: a truly user-driven system enabling satellites to safely connect the health world.
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Venus Express is the first mission dedicated to the study of the composition and dynamics of the planet’s atmosphere. The European orbiter has identified broad meteorological regimes, all influenced by the gigantic hurricane-like vortices at the poles. From these double-eyed vortices, swirling in the atmosphere, around the planet in just a couple of days, to smoother streams at mid-latitudes and wave-dominated phenomena at lower latitudes - these regimes are, surprisingly, clearly delineated. The spacecraft’s elongated orbit has allowed its instruments, notably the VMC camera and the VIRTIS imaging spectrometer, to obtain long-shot views of the planet’s weather patterns, mosaics showing different types of cloud formation and wind speeds, varying according to altitude and latitude. Venus Express has obtained much information on the composition and physical processes active in the atmosphere, and has been able to measure the loss of molecules, stripped away by the solar wind. Rates of oxygen depletion are still being calculated but some tentative conclusions are being advanced. Venus Express has also probably brought the final answer to the controversy about the presence of lightening. The venusian picture is still far from complete. The European mission which has now been prolonged to the end of 2008, is pursuing its harvest of data, allowing scientists to better understand the precise reasons why, compared to our planet, Venus has become so inhospitable.
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Columbus, with its planned operational lifetime of ten years, is Europe's first laboratory for long-term research in space conditions. Scientific experiments will be performed on board in the weightlessness of orbit. Once in orbit, Columbus will be taken out of the cargo bay by the Shuttle’s robotic arm. The European laboratory will then be moved to the Italian-built Node 2 connector, where it will be permanently fixed to the Station. Each rack inside Columbus is a laboratory in its own right. Experiments in life sciences, physiology and physics can all be carried out within the one structure. These facilities are pre-installed inside Columbus so experiments can start immediately after it arrives at the ISS. Experiments can also be mounted outside Columbus, to examine the effects of exposure to the space environment. Two such experiments will be launched along with the laboratory.
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Schlegel has been preparing for his upcoming mission to deliver Columbus since starting his training as mission specialist with the NASA astronaut class of 1998 at the Johnson Space Center, Houston. All astronauts have to go through this extensive training to prepare for any given situation that might occur during a mission.
Following his assignment to the STS-122 Shuttle mission that will deliver the European Columbus laboratory to the International Space Station, recent months have seen a period of even more intensive briefings and further training for Schlegel, for his colleague French ESA astronaut Leopold Eyharts, and his STS-122 crewmates. Returning to space 14 years after his first visit, Schlegel is already wondering if his body will remember microgravity.
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Imagine a multifunctional high-tech laboratory, suspended some 400 km above our heads, dedicated to the achievement of scientific, technological and educational benefits for the citizens of Europe. Well, this dream actually exists, and it's called Columbus.
In December, the Space Shuttle will carry Columbus up to the International Space Station along with ESA astronauts Eyharts and Schlegel and five American astronauts.
Leopold Eyharts's main role will be to attach the module to the Station before making all the physical connections. Eyharts will become the first European astronaut to test and operate in orbit the systems of the Columbus laboratory as well as the European science experiments carried onboard. During his two and a half month mission to the ISS, he will act as flight engineer and will also support robotics activities.
Apart from testing Columbus, Eyharts will also see the arrival at the ISS of 'Jules Verne', ESA's first Automated Transfer Vehicle, or ATV. This European-built spacecraft will be launched on an Ariane 5 rocket some weeks after Columbus to supply and reboost the International Space Station.
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On 23 October 2007, Italian ESA astronaut Paolo Nespoli prepared for take-off on the outbound trip on Space Shuttle Discovery to the ISS. This mission, named Esperia, was exceptional because of the very special payload astronaut Nespoli was responsible for delivering: Node 2. The 'Harmony' Node 2 module is an indispensable building block in the continuing construction of the ISS.
As Intra Vehicular astronaut, Paolo Nespoli also co-ordinated all planned spacewalks from inside the Shuttle. These are essential for the ongoing maintenance and assembly of the ISS.
Paolo Nespoli and his crewmates unexpectedly had to fix the damaged solar array that is key to generating the necessary power for the Columbus laboratory. Crew members fashioned a tool from existing materials on board the ISS to be used in the repair of the fabric during a dedicated spacewalk on day 11 of the mission.
With the delivery and attachment of Node 2 to the ISS it is now possible to send Europe's Columbus laboratory to the ISS on the STS 122 Shuttle flight on 6 December as planned.
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Rosetta, ESA's comet-chasing spacecraft, is due to swing-by Earth tomorrow, 13 November, making closest approach at 21:57 CET. The next three days promise to be intensely busy at ESOC, ESA's Space Operations Centre, in Darmstadt, Germany. On 12 November, ESApod spoke with Andrea Accomazzo, the Spacecraft Operations Manager, who provides an update on the team work going on at ESOC and the support being provided by ESA's New Norcia ESTRACK ground station and by NASA's deep-space network. At 19:00 CET (18:00 UTC) tonight, Rosetta will be 920 000 km from the Earth, approaching at 9.4 km/second relative to our planet.
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Rosetta swung by Earth in March 2005 and Mars in February 2007. As it approaches its home planet once again, the spacecraft will have travelled more than 3000 million kilometres since launch in 2004.
At ESA's Space Operations Centre (ESOC), in Darmstadt, Germany, mission controllers have made the final adjustments to Rosetta's trajectory in preparation for the swing-by. The highest priority is being given to spacecraft operations, as the manoeuvre is critical for the success of the mission. However, and despite the unfavourable illumination conditions due to the positions of the Sun and the Earth, a few experiments both on the orbiter and the Philae Lander will be activated for calibration, scientific measurements and imaging. The observations are scheduled during and around the time of closest approach, from 7 Nov, 01:00 CET, to 20 Nov, 15:00 CET. Rosetta will first point to Earth to observe the atmosphere and the magnetosphere, and it will also look for shooting stars from space. It will image urban regions in Asia, Africa and Europe and then point to the Moon and obtain spectra of the illuminated Moon. Flying away after closest approach, Rosetta will image the Earth-Moon system from a distance.
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ESA's Columbus Control Centre in Oberpfaffenhofen, Germany, made its successful debut as an ISS control centre in 2006, scheduling and controlling the scientific experiments conducted by ESA astronaut Thomas Reiter during the hugely successful Astrolab mission.
With delivery of Europe's space laboratory Columbus to the ISS set for December 2007, flight controllers at 'Col CC' will become responsible not only for scientific experiments but also for a complete laboratory of the International Space Station, with operations running 24 hours/day, 7 days/week.
The Columbus Control Centre is operated on behalf of ESA by DLR, the German Aerospace Center, and the flight control team is composed of dedicated specialists from DLR, ESA and industry. The team is supervised by Columbus Mission Directors of the European Space Agency.
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The next step is to transfer Columbus and the external payload carrier by canister to Space Shuttle Atlantis, where they will be mounted into the cargo bay in the second week of November. After a month the space laboratory will be launched into space. Once on board the Station, ESA astronaut Léopold Eyharts will support the activation and check out of Columbus and its experiment facilities. Although Columbus is smaller in length than the other modules of the ISS, it offers the same number of racks for research as the American and Japanese laboratories and all initial internal and external payloads are launched together with the module, thereby saving extra launches, time and expense.
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During a 10-day stay at the Space Station, Paolo Nespoli will coordinate three spacewalks from inside the ISS during which Harmony will be installed. He will also be carrying out experiments on behalf of ESA and of the Italian Space Agency (ASI).
In return for Europe providing high-tech nodes for the Space Station, NASA will soon be carrying the European Columbus Laboratory into orbit. Columbus, ESA's most important contribution to the ISS so far, will be used for science experiments and to prepare for the exploration of the Moon and Mars.
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One hundred business professionals are gathering to learn how space technologies have provided innovative solutions in non-space applications and to discuss their further potential. The conference is being organised by ESA's Technology Transfer Programme, which promotes the use and transfer of space technology and materials to non-space sectors. The European Space Technology Conference 2007 is taking place as part of the Materialica Trade Fair, which focuses on new materials. The venue will enable industry from that field to take a closer look at the potential of space-developed technologies and materials. More than 40 successful case studies are being presented by 21 speakers illustrating the profitable solutions provided by space technology in multiple industrial sectors, including: automotive, medical, energy, textile, security and robotics.
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Integral's gamma-ray mission was originally to last just two years. Given its achievements so far, it is not a surprise that the mission has been extended to 2010.
Looking beyond our galaxy, science teams have located more than a hundred super-massive black holes, a million times the mass of the Sun, and which are now believed to be present in space on a much wider scale.
Another recently identified source, a quasar, is the farthest object detected by Integral so far, a gamma-ray lighthouse shining from the very edge of the universe.
In our galaxy, Integral has also detected, by chance, a rare kind of transient gamma-ray source and discovered a new class of celestial objects emitting X-rays, unidentified in previous observations, called 'superfast X-ray transients' which are probably widespread throughout the Galaxy.
Also, in the galactic centre, Integral has made a key discovery that shows that a lot of particles of matter are getting annihilated by coming into contact with their antimatter counterparts.
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The first task of the next International Space Station (ISS) phase is to attach the Italian-built Node 2 connector, to which the European Columbus laboratory will be mated.
This will be carried out by the STS-120 crew, including ESA astronaut Paolo Nespoli, who will fly with Node 2 onboard the Space Shuttle Discovery.
The next Shuttle flight after that will carry the European Columbus laboratory, along with two more ESA astronauts; Hans Schlegel and Leopold Eyharts.
During a 12-day mission, Hans Schlegel will carry out two spacewalks to install the laboratory while his colleague, Leopold Eyharts, will oversee the installation and the start-up of Columbus and its scientific facilities during a three-month stay onboard the Station.
Columbus scientific results will give the world a greater understanding of life on Earth and will also help in Europe's preparations for the exploration of Mars and the Moon.
To contribute towards the operational costs of the ISS, ESA has also developed the Automated Transfer Vehicle, or ATV.
The ATV is currently being prepared at the European Spaceport in Kourou, French Guiana. It has been loaded with supplies for the ISS and, at the beginning of next year, it will be mounted on top of an Ariane 5 launcher for transportation into orbit.
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The project, called Mars500, due to start in 2008 will recreate all the phases of a mission to Mars. Six volunteers will remain confined in six modules of a mock-up ground-based spaceship: living quarters with individual cabins, an exercise room and storage area for food and supplies, a bio-medical and laboratory area and one recreating the Martian surface. The simulation will also focus on psychological aspects of such a long-duration confinement.
In some respects, the Mars500 concept has many of the ingredients of a reality TV show, with cameras filming the interaction between people in all kinds of situations. But the comparison stops there. This is a serious scientific experiment, and the only way to prepare a really long-duration mission.
The European Space Agency, as a 'strategic partner', is involved at all levels of this international project. Since June this year it has started selecting 12 volunteers, two of them will be part of the six-strong crew. ESA is also choosing the experiments to be carried out during their 500-day confinement.
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A 15 September meteorite strike in Peru highlights the need to expand scientists' understanding of asteroids, meteoroids and other NEO, or Near-Earth Objects. Scientists still don't know the precise composition of asteroids, for example, making any attempt to deflect one aimed at the Earth highly problematic. ESA's Rosetta 'comet-chasing' mission, now en route to Comet 67P/Churyumov-Gerasimenko, will be the first to undertake the long-term exploration of a comet from close quarters and includes the deployment of a landing probe. Don Quijote is a precursor mission, designed to assess and validate the technology that one day could be used to deflect an asteroid threatening the Earth.
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In only a few weeks time, Italian ESA astronaut Paolo Nespoli will join six NASA astronauts on board Space Shuttle Discovery to fly to the International Space Station (ISS). Their task is a challenging one. The Esperia Mission is responsible for the safe delivery and attachment of the ESA financed Node 2 connecting module to the ISS, an essential step for the Station to be able to receive the European Columbus laboratory with the next Shuttle flight in December 2007. In his role as a Mission Specialist, Paolo Nespoli is going to coordinate three spacewalks and carry out a programme of scientific experiments created jointly by the European and the Italian space agencies on top of other communication and educational activities.
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Telemetry, tracking and command systems are complex networks of ground tracking stations supported by sophisticated signal processing that enable ground controllers to send up commands and receive large amounts of scientific data, often transmitted from millions of kilometres in deep space. These systems are crucial to space success and require unique, high-precision engineering, often adapted to the requirements of different missions. However all space agencies must rationalise costs and as result global cooperation in this highly technical field is growing deeper.
ESApod reports from ESA's 4th International Workshop on Tracking, Telemetry and Command Systems for Space Applications.
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In the northern Italian town of Turin on the 19 July 2007, scientists and engineers from the European Space Agency held a press conference to celebrate the completion of the new Gravity field and steady-state Ocean Circulation Explorer (GOCE). After six years in development, the instrumentation carried on GOCE was on show in Italy at Thales Alenia Space, the company that has co-ordinated the project to date. GOCE is the first Core Earth Explorer mission to be developed as part of ESA's Living Planet Programme. Dedicated to measuring the Earth's gravity field with unprecedented accuracy, GOCE will significantly advance our knowledge of how the Earth works by providing insight into ocean circulation, sea-level change, climate change, volcanism and earthquakes. In the next months, GOCE will be put through a series of strenuous environmental tests at ESA-ESTEC in the Netherlands to ensure that it will withstand the rigors of launch and the hostile conditions of its exceptionally low orbit. After which, the satellite will be shipped to Russia for launch in the spring of 2008.
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ESA's Automated Transfer Vehicle (ATV) will launch on board an Ariane 5 rocket from Europe's Spaceport, in Kourou, French Guiana. ATV will be used to restock the shelves in the International Space Station (ISS), at a frequency of one every 18 to 24 months. Weighing 20 tonnes and the size of a London double-decker bus, ATV is the largest spacecraft ever developed in Europe. Every ATV will deliver up to 6 tonnes of cargo to the ISS. Apart from food, water, air and clothes, the ATV also carries propellant for the ISS and equipment for scientific use. ATV will also be used to reboost the Station's orbit to overcome the effects of residual atmospheric drag. After six months, the spacecraft will be loaded with waste before it is undocked for a destructive re-entry into Earth's atmosphere, freeing up precious living and working space in the other quarters of the Station. The ATV will perform automated dockings controlled by GPS and laser beams - a new technology that ESA scientists and engineers have been rehearsing for months. The first ATV, named Jules Verne, has recently completed a successful test campaign at ESA's research and technology centre, ESTEC, in Noordwijk, the Netherlands. On 13 July, Jules Verne starts a long journey to the launch site in Kourou.
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Cool profile of the people and activities at ESOC, ESA's Space Operations Centre, in Darmstadt, Germany. ESOC operates 10 major missions comprising 13 spacecraft, with a dozen more in preparation. It also controls ESA's worldwide ESTRACK ground station network. Over 750 specialists from Europe and other countries focus on sophisticated technologies including spacecraft operations, ground station engineering, software development, navigation science and space debris monitoring.
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As part of the Astrolab Mission post-flight tour, ESA astronaut Thomas Reiter is joined by his ISS Expedition 13 and 14 colleagues, Pavel Vinogradov (Russia), Jeffrey Williams (NASA), Michael Lopez-Alegria (NASA) and Mikail Tyurin (Russia), for a lively discussion on the future direction of human exploration in our Solar System. The session took place 22 June 2007 at ESA's Space Operations Centre in Darmstadt, Germany, and included Bob Chesson, ESA's manager for Human Spaceflight and Exploration Operations. As part of the Aurora exploration strategy, ESA is planning to create, and then implement, a European long-term plan for the robotic and human exploration of the solar system, with Mars, the Moon and the asteroids as the most likely targets. Planned missions include the ExoMars robotic rover and Mars Sample Return.
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ESAPod reports from Le Bourget, near Paris, home of the biannual Paris International Air Show, now in its 47th edition. European space achievements are on display at the "Space Pavilion," which aims to promote space as an essential activity for European science, industry and competitiveness. ESA is highlighting projects and programmes related to human spaceflight, environmental and security monitoring, space science and launcher technology.
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In May 2007, more than 17 years after the launch of Hubble, European Hubble scientists met in The Netherlands to discuss and share their achievements. This gathering took place just a few weeks before the signature of the official agreement between ESA and NASA on the James Webb Space Telescope, considered by many as the successor of Hubble.
Today, we have the pleasure of talking to ESA's Dr Duccio Macchetto, Associate Director of the Space Telescope Science Institute.
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As spacecraft and space missions expand in number and sophistication, building and operating the complex ground infrastructure required to operate in space is also becoming more demanding. ESA is successfully rationalising ground systems and infrastructure - the people, computers, networks and software that operate missions in space - while still achieving essential mission requirements.
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Since Huygens' January 2005 descent to Titan's surface, scientists have gained a new understanding of the Saturn moon's complex, 1300-km-thick atmosphere. Some of the most intriguing data returned by the HASI, or Huygens Atmospheric Structure Instrument, point to the possible existence of an electrical resonance effect, called Schumann resonance, on Titan. If confirmed, this would be the first such electrical field resonance seen outside our own planet. The effect may help scientists confirm whether an ocean of liquid water mixed with ammonia lies beneath Titan's surface. This week, scientists will present their latest results at the 42nd Cassini-Huygens Project Science Group Meeting in Athens, Greece. ESAPod interview with Dr Fernando Simoes.
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On the afternoon of 14 January 2005, the European Space Agency probe Huygens made a stunning descent through Titan's 1300-km-thick atmosphere. Titan, a moon of Saturn, was then some 1.4 thousand million km from the Earth. Obviously no human viewed the descent first-hand, yet reconstructing and modelling the precise wind-blown trajectory that Huygens took to reach the surface is crucial to correlating and synthesizing all data transmitted from Huygens' six instrument packages. This week, scientists from the Descent Trajectory Working Group will present their latest results at the 42nd Cassini-Huygens Project Science Group Meeting in Athens, Greece. ESAPod interview with Dr Bobby Kazeminejad.
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On 14 January 2005, the European Space Agency probe Huygens made a spectacular touch-down on Saturn’s enigmatic moon titan, and an international team of scientists continues to analyse data radioed back during Huygens’s 2-1/-hour descent. This week, the 42nd Cassini-Huygens project science group meeting is being held in Athens, Greece. Scientists are expected to announce many new findings based on an in-depth analysis of Huygens data and on comparisons between Huygens data and results recently gathered by Cassini, which continues to explore the Saturn system and gather images of Titan. ESAPod speaks with Dr Jonathan Lunine, a Cassini interdisciplinary scientist at the University of Arizona, in Tucson, USA.
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ESA's space safety interests are growing as the Agency's own near-Earth missions increase and as space tourism and commercial flights worldwide take off. At this year's IAASS conference, delegates will consider a White Book entitled: "An ICAO for Space?" proposing an international organisation for the coordination and regulation of civil space safety matters, on the model of the International Civil Aviation Organization (ICAO).
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The aircraft that is normally used for calibrating French airport equipment was specially equipped to conduct precision approaches guided by the European Geostationary Navigation Overlay Service (EGNOS). The ATR42 plane of the Direction Générale de l'Aviation Civile (DGAC – French Civil Aviation Authority) performed a number of test approaches and landings at Limoges airport. One of the main advantages of EGNOS in this application is that it is available everywhere without the need for ground infrastructure and it provides vertical guidance for every runway. Furthermore, in the cockpit the data display is the same as for the conventional Instrument Landing System ( ILS), so there are no familiarisation problems for the pilots and no additional training costs. EGNOS, the first European satellite navigation service, launched by the European Space Agency, the European Commission and Eurocontrol, is currently in pre-operational service and will be certified for safety-of-life applications such as civil aviation in 2008.
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On April 17th, the European Union will host a high-level conference in Munich to define a roadmap for the future of GMES, Europe's global monitoring for environment and security initiative. The GMES programme is vital for Europe and is ensuring independent access to information relating to the environment, climate change and security. ESA's Volker Liebig says GMES activities are already yielding practical results and in the future even more benefits are expected for European citizens.
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This highlights video shows the STS-116 crew preparing for launch and successfully reaching the ISS two days later. Once on board the Station, ESA astronaut Christer Fuglesang performed three spacewalks, also known as Extra Vehicular Activities or EVAs, and a number of experiments. During the mission Fuglesang also participated in an inflight call with Swedish Crown Princess Victoria and Swedish minister Maud Olofsson. Together with his ESA colleague Thomas Reiter, Fuglesang shared his experiences of living and working in space. He safely returned to Earth with the rest of the STS-116 crew at the end of the 13-day mission, landing at Kennedy Space Center, in Florida, on 22 December 2006.
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Space weather is a chain of processes originating at the sun, propagated through interplanetary space, interacting with the Earth’s magnetic field and eventually generating a number of phenomena in the Earth’s atmosphere. Scientists in Copenhagen are exploring the link between Earth’s climate and space weather.The sun’s magnetic field shields us from most of the highly energetic particles coming from space but, depending on solar activity, some of these particles can break through this shield. The European Space Agency has two missions in orbit aimed at understanding the Sun-Earth interaction: the Cluster mission, consisting of four spacecraft measuring variations in the space environment around our planet in 3D, and the solar mission SOHO, monitoring the solar surface round the clock and detecting any changes, notably sun storms heading its way into space.
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Scientists from around the world are studying the polar regions to detect changes in ice cover and the potential effect this may have on our future. Over the next 18 months, polar latitudes are also at the top of scientists' agenda as the International Polar Year 2007-2008 unfolds, which began on 1 March 2007. The system of heat transportation is one of the main drivers of weather and climate and snow and ice play an important part in regulating this system in a number of ways. The thickness of sea ice plays a central role in polar climate as it moderates heat transport by insulating the ocean from the cold polar atmosphere. In addition, when ice forms or melts it changes the salinity and hence density of surface waters, which - along with temperature - has a significant effect on certain global ocean circulation patterns.
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Food in space has evolved since the early missions. Above all it must provide each astronaut with the necessary daily intake of calories, vitamins and minerals necessary to cope with the special conditions of space. There are also other considerations such as convenience in preparation, ease of storage and microbiological safety.As on Earth, a meal in space is also an opportunity for the crew to sit together and unwind after a hard day's work. The gourmet meals served to ESA astronaut Thomas Reiter and his fellow crew members are not part of the Station's everyday menu, but could be used to celebrate special occasions, such as a completed spacewalk, a birthday or the arrival of a new crew.
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With its 3.5-meter mirror and cryogenic science payload, ESA's Herschel Space Observatory will deliver unprecedented images and spectra of very cool, distant, and poorly known objects in the universe. As the first of a new generation of space telescopes, Herschel will study stars being born in our own Galaxy, the evolution of newborn galaxies billions of light-years away, and primitive objects dating from the formation of our own solar system. Herschel will also provide unprecedented sensitivity and resolution, thanks to the largest mirror ever used in space - almost twice as big as that of the Hubble Space Telescope - and three instruments with detectors kept at temperatures close to absolute zero. The Herschel telescope, named after the pioneering astronomers William and Caroline Herschel, will be launched in 2008 onboard a European Ariane 5 rocket. The mission builds upon the legacy of ESA's Infrared Space Observatory, launched in 1995, and of later infrared missions like the US Spitzer and Japanese Akari.
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The conference explores some of the many important and critical issues affecting society today and in the future, including climate change, water management and natural disasters. It has brought together experts interested in this broad, complex and global topic. The emphasis is on how space systems, technologies and applications are helping to provide viable solutions to problems on Earth. The space industry can play a pivotal role with society, governments and policy makers in exchanging ideas and knowledge.Participants are also examining the role of innovation, creativity and spin-in technologies from space and how society can benefit from this.
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Yesterday, engineers at ESA's Space Operations Centre confirmed that Rosetta had successfully swung by Mars in the second of four critical gravity assists in its ten-year voyage to comet 67P Churyumov-Gerasimenko. Closest approach occurred at 3:15 AM CET at an altitude of 250 km; departure velocity was estimated to be 36 191 km/hour relative to the Sun. In addition to confirming extensive and careful operations preparations, the successful passage allowed scientists to switch on several of the spacecraft's instruments as well as the camera onboard the Philae lander to image Mars. Results will help calibrate instruments after comparison to parallel observations made by ESA's Mars Express.
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Since 2004, ESA has gathered over 150 imaginative ideas for new investigations proposed by scientists worldwide. The team preparing the Cosmic Vision plan has identified areas where major progress can be expected in the next two decades. Now, says Prof David Southwood, the Agency's Director of Science, ESA is ready to ask the greater science community for specific mission proposals.
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On 25 February 2007, the Rosetta spacecraft will go round the far side of the Red Planet, swooping to within only a few hundred kilometres of its surface. This gravity assist manoeuvre will alter its course for the next leg of the ten-year odyssey towards final its destination: Comet Churyumov-Gerasimenko.Since the probe's launch in March 2004, several missions have shed new light on the nature and composition of comets. Analysis of comet particles has revealed chemical elements originating not just in the colder outer Solar System, but present once in the hotter regions during its creation. The samples were also rich in organic matter, unlike anything seen to date in extraterrestrial materials.The Mars swingby is a key moment in Rosetta's journey. Scientists will also calibrate Rosetta's instruments by comparing data gathered by other orbiting spacecraft. The flyby is also very interesting because it's a unique opportunity to do plasma science at Mars.Rosetta's OSIRIS camera will attempt to gather data to see whether Mars is a ringed planet.At ESA's Space Operations Centre in Darmstadt, Germany, flight controllers have been fine-tuning this critical Mars swingby for several months. For a while, Rosetta will disappear behind the planet, passing in its shadow. Coming out of the eclipse, the probe's instruments will give a grandstand view of Phobos, one of the Martian moons. By then Rosetta will already be heading towards its third swingby, with Earth, scheduled for November 2007.
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On 25 February, Rosetta will swing by Mars in the second of four critical gravity assists in its ten-year voyage to comet 67P Churyumov-Gerasimenko. The upcoming manoeuvre, with Rosetta skimming Mars at 250 kilometres, is a delicate operation and a key milestone, and mission controllers and flight dynamics specialists at ESA's Space Operations Centre are in intense preparations for the early-morning event. The spacecraft will also conduct observations of Mars, primarily to help calibrate the instruments but also to gather data, which will complement those gathered by ESA's Mars Express, in a 'mini' coordinated observation campaign.
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On 17 January, ESA Director General Jean-Jacques Dordain met the press at ESA headquarters in Paris to take stock of the agency's activities in 2006 and announce the main highlights for 2007. Last year saw ESA involved in a wide range of missions and activities related to space exploration, Earth observation, the Galileo navigation system and climate change. 2007 - the 50th anniversary of the launch of Sputnik - promises to be an exciting year. Scheduled flights include the automated ISS resupply craft, ATV-1, and the delivery of the Italian-built Node 2 and the Columbus lab to the ISS. The agency will be involved in many other activities, all of which aim to improve the lives of European citizens.
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In the historic city of Edinburgh, Scotland, ESA kicked off its series of stakeholder consultation workshops that will eventually inform the long-term European space exploration strategy. This is a key element in the preparation of the next ESA Council at Ministerial level and the space exploration activities that will be tabled for decision. This first workshop, hosted by the British National Space Centre (BNSC), saw the participation of over 170 people, from all over Europe, as well as US, Japan, Ukraine and Canada, in representation of the main stakeholder groups: the political, the scientific and the industrial sectors as well as the general public. The Edinburgh workshop comes at a timely moment, when the ambitions and plans of other space nations are becoming apparent and talks for an international framework for cooperation in space exploration is taking shape. The Scottish Minister for Enterprise and Lifelong Learning and Members of the Scottish Parliament, Mr Allan Wilson, introduced a session on the first day of the workshop echoing the interest and the role that the United Kingdom is playing and is willing to play in the future, even considering human exploration activities. The workshop was the opportunity to discuss the latest status of space exploration plans, the ongoing studies and proposals at National level, especially Italy, UK and Germany and to listen to the views of participants with backgrounds as different as futurists, parliamentarians, industrialist, scientists, students, media and arts. They all contributed to the discussion from their own prospective, by addressing what could be the drivers to make space exploration a truly European societal project. Among the participants there were also the winners of the ESA contest to allow European citizens to be more closely associated to this consultation phase. The two days of intense discussion among the four stakeholder groups have been presented at the final plenary session and reiterated at a press conference today in London, England. This consultation exercise will go on throughout the current year and into the start of the next.
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Although the invisibility of dark matter makes it hard to detect, eluding scientists for decades, the team of astronomers led by Richard Massey of the California Institute of Technology has finally been able to achieve this, thanks to the of the Hubble COSMOS survey - the largest survey of the universe ever conducted by the Space Telescope.The map offers a first glimpse at the web-like large-scale distribution of dark matter in the Universe, like seeing a complex structure in daylight for the first time,for example a big city, with its suburbs and surrounding country roads. The map reveals a loose network of sponge-like structures of long filaments, intersecting in massive structures where clusters of galaxies are located.The COSMOS survey encompasses an area of the sky nine times that of the full Moon and was carried out by another international team of 70 astronomers led by Nick Scoville of Caltech.The map was created by using gravitational lensing techniques, which is the bending of star light caused by the presence of dark matter in the Universe, and analysing the distorted shapes of half a million distant galaxies. Such subtle distortions were then used to reconstruct the mass distribution along Hubble's line of sight.
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Since the 1995 discovery of the first extrasolar planet, more than two hundred have been identified using ground-based telescopes. COROT will be launched on 27 December 2006 by a Soyuz rocket from the Baikonur Cosmodrome, Kazakhstan, and will be placed in a polar orbit around Earth at an altitude of some 850 km. Led by the French Space Agency CNES, the COROT mission has wide European scientific and technological participation including ESA, Austria, Belgium, Brazil and Germany.
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Innovation is more and more the result of collaborative activities involving all of the participating actors in a co-creative process using emerging information, such as advanced communication techniques, the latest satellite Earth Observation data and other leading-edge technologies. Recognising this, the European Commission, under the Finnish Presidency, established in November 2006 the European Network of Living Labs to foster the creation of a European-wide platform that brings end-users, industry, small- and medium-sized enterprises and public and private institutions together to jointly develop, validate and demonstrate innovative capabilities. ESA-ESRIN has established the Frascati Living Lab dedicated to Space, Information and Communication Technology (ICT) and environmental applications.
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ESA's Aurora Programme for robotic and human exploration of the Solar System is expected to increase the need for space automation and robotics. The research and development needed to make these ambitions a reality is already underway. ESApod takes a look at the ongoing European activities which were highlighted during ASTRA 2006 - the 9th ESA Workshop on Advanced Space Technologies for Robotics and Automation - which took place at ESA's research and technology centre, ESTEC, in Noordwijk, the Netherlands, between 28-30 November 2006.
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Swedish ESA astronaut Christer Fuglesang will fly to the ISS in December 2006 as part of the seven-strong STS-116 Space Shuttle crew.The rewiring process of the ISS will begin with NASA ground control switching off power to the Station. Along with NASA astronaut Robert Curbeam, Fuglesang will float outside the Station to connect the electrical systems to new solar panels attached in September. The Shuttle crew will be received by the three astronauts who are currently living on board the ISS. Among them is German ESA astronaut Thomas Reiter. It will be the first time ever that two ESA astronauts are on board the Station at the same time. Reiter will travel back to Earth with the Shuttle crew at the end of the STS-116 mission. With this expanded electrical system the ISS will be ready to receive the European Columbus laboratory, due for launch in late 2007. By this stage new supplies should also be arriving in orbit thanks ESA's Automated Transfer Vehicle.
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In 2008, Vega will place into orbit its first small satellite missions. The new launch vehicle's reference capability is to carry a spacecraft weighing 1.5 tonnes into a polar orbit with an altitude of 700 kilometres, a relatively low orbit. The launcher is not able to inject large spacecraft into geostationary orbit but that is not its purpose - Ariane 5 fulfills that role. Vega is the only launcher of its class that can launch several satellites in a single mission. This new generation launcher has a very light structure, which allows a greater payload weight for any chosen orbit. Vega's maiden flight is set for 2007, launching from the repurposed ELA-1 launch pad at Europe's Spaceport in Kourou, French Guiana. The ELA-1 pad was first used by Ariane 1 over 30 years ago. The strategy behind this launcher is to offer to institutional and also commercial customers a range of possibilities that adapt performance and cost to market needs and competition.
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The ISS will grow considerably in the next few years with the addition of new solar panel generators and three research labs before being completed in 2010. During his six-month stay, German ESA astronaut Thomas Reiter, a member of the permanent ISS crew since July this year, is devoting 136 hours to research experiments. Another ESA astronaut, Christer Fuglesang, from Sweden, is training at NASA's Johnson Space Center, in Houston. Fuglesang will make his first mission to the Space Station in December after launch on board Space Shuttle mission STS-116. During the twelve-day mission, Fuglesang will contribute to Station assembly by taking part in two spacewalks. The Columbus laboratory is Europe's main contribution to the ISS. ESA German astronaut Hans Schlegel will be on the Space Shuttle mission that will attach Columbus to the ISS. But before the laboratory can be attached, in August 2007 another ESA astronaut, the Italian Paolo Nespoli, will deliver Node-2, an important building block for the further expansion of the Station. Another major European contribution to the ISS is the Automated Transfer Vehicle (ATV), due for launch in December 2007. It will carry 8.5 tonnes of cargo to the ISS, including food, air and water for the crew.
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The Automated Transfer Vehicle, 20 tonnes and the size of a London double-decker bus, is the largest spacecraft ever built in Europe. The unmanned vehicle will be used to ferry cargo to the International Space Station and to raise its orbit.The first flight model, 'Jules Vernes', due to be launched next year, is currently undergoing final integration and space environmental tests at ESA's test facilities at in Noordwijk, the Netherlands.Jules Vernes' crucial navigation systems are simultaneously being qualified at an exceptional test centre in France. The facility 100 km west of Paris, the only one of its kind in the world, belongs to the country's defence procurement agency, DGA. The ATV programme has been validating the rendezvous and docking technologies and software, crucial given the human safety requirements. Each test was conducted with rigorous safety measures. Each phase of the test was conducted with realistic conditions. The tests constituted a fully representative replication of the final approach, guiding the ATV to its docking port on the platform with a millimetric precision.Each approach was conducted in steps, in real-time, over several hours with the mobile platform advancing at an extremely slow pace. For the engineers and privileged visitors, these robotic tests had a magical, almost human aspect.
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Prof. Rene Oosterlinck, ESA Director of Directorate of External Relations explains how the issues of space law first arose during the Cold War, with the launch in 1957 of the Russian Sputnik, the world's first satellite, closely followed by the first American satellite. The race was on to be first on the Moon and no sovereignty rights existed in outer space. In 1967 the Outer Space Treaty, ratified by the UN, fundamentally recognised that space belonged to everyone and in 1969 the US took the lead in the space race with the success of the Apollo mission to the Moon. Since the end of the Cold War space exploration has totally changed and although the original treaty of 1967 has had four additional conventions, there are many areas where the current regulation is ambiguous, for example in the case of industrial exploitation of minerals from asteroids. Another area of law which is not covered by the existing treaties is that of intellectual property. This is particularly relevant for the International Space Station where developments in research are currently covered by the law of each participating country. European countries are the only ones covered by a common law on intellectual property in Space. Last but by no means least is the question of space debris. There are no existing laws that cover this type of pollution at the moment. In these and many other fields, the Outer Space Treaty no longer matches reality and the time is ripe for review.
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By measuring the Earth's gravity field and modelling the geoid, or hypothetical surface of the Earth, with extremely high accuracy and spatial resolution, GOCE will significantly advance our knowledge of how the Earth works in several domains – oceanography, geophysics and geodesy – as well as providing insight into the physics and dynamics of the Earth's interior, such as volcanism and earthquakes.
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NASA has decided to launch a Space Shuttle mission in 2008 to repair and upgrade the NASA/ESA observatory. This servicing mission will ensure that Hubble can function for perhaps as many as another ten years and will increase its scientific capabilities in some key areas. Two new scientific instruments will be installed as part of the upgrade: the Cosmic Origin Spectrograph and the Wide Field Camera 3. Both will improve Hubble's potential for discovery. Around the same time of this mission, ESA will launch Herschel, the Orbiting Telescope with the largest mirror ever deployed in space. Herschel will complement Hubble in the infrared part of the spectrum.
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In 1992 Christer Fuglesang was chosen as a crew member of the STS-116 Space Shuttle mission to the International Space Station, which is now scheduled for launch in December 2006. Fuglesang started training at Star City cosmonaut training centre near Moscow, Russia, in 1993. It was here he first met fellow ESA astronaut Thomas Reiter, whom he will bring back from the ISS in December. At Star City he learned how to operate the Soyuz spacecraft, but the toughest part of the training was to learn the Russian language.The STS-116 flight continues a series of complex missions to complete the ISS. Fuglesang's main task will be to take part in two spacewalks or extra-vehicular activities (EVAs). Together with fellow STS-116 crew member Robert Curbeam, Fuglesang will have the challenging task of adding a large truss section to the outside of the Station.
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With an array of sophisticated instrumentation, MetOp-A promises to provide data of unprecedented accuracy and resolution on a host of different variables such as temperature and humidity, ocean surface wind speed and direction and concentrations of ozone and other trace gases – thus marking a major advance in global weather forecasting and climate monitoring capabilities.
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Activity is increasing at the Columbus Control Centre, the ground control facility for Europe's Columbus laboratory. Following the launch of Columbus to the International Space Station in 2007, a team of some 80 scientists and engineers based at the control centre in Oberpfaffenhofen, Germany, will monitor on board systems and communicate with the ISS and ground control centres in the United States, Europe and Russia. The team is currently undergoing constant training and simulations to prepare them for the task.
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Since its arrival in December 2003 Europe's Mission to Mars has been studying the composition of the atmosphere, mapping the surface and diving into the subsurface of Earth's neighbour to find further evidence that water once flowed on the planet and could still be present. The High Resolution Stereo Camera (HRSC) onboard Mars Express has delivered grandiose vistas of the Martian landscape. The camera has discovered accumulation of ice and snow and even a frozen sea. There are also indications of wet, warmer spaces beneath the surface of the red planet. These are places in which life might have possibly developed. In November 2005 the Mars Principal Investigators exalted with the discovery of subterranean water. Mars's Radar Altimeter revealed the presence of deposits of pure water hidden at a depth of several kilometres within a buried basin. The OMEGA Visible and Infrared Mineralogical Mapping Spectrometer detected minerals on the surface of Mars that revealed the history of Martian water and demonstrated that water could have been stable on Mars's surface but not for very long. Mars Express's discoveries have led scientists to the conclusion that Mars was long ago covered by vast oceans, and that only sporadically water reappeared on the planet's surface later on.
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A report from the Columbus Control Centre in Oberpfaffenhofen, Germany, where a team of engineers and managers are providing support to the Astrolab Mission - Europe's first long-duration mission to the International Space Station (ISS). During his six-month stay on the ISS, ESA astronaut Thomas Reiter is carrying out an intensive scientific programme including experiments in human physiology, biology and physics. Reiter receives support for these activities from the Columbus Control Centre, from where a team - which includes ESA astronaut Reinhold Ewald - communicates with him daily.
ESApod video programme