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ESApod, audio and video from space

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The European Data Relay Satellite System – EDRS

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 recei...

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[ Fri, 07 Nov 2008 14:00:00 +0100 ]

IXV: learning to come back from Space

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 per...

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[ Wed, 05 Nov 2008 09:00:00 +0100 ]

Frank De Winne prepares for new mission

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 car...

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[ Wed, 29 Oct 2008 15:00:00 +0100 ]

SHAR: the Indian launch base

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 launc...

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[ Tue, 21 Oct 2008 12:00:00 +0100 ]

India – Europe cooperation

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 ent...

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[ Mon, 20 Oct 2008 15:00:00 +0100 ]

Video overview of the Chandrayaan-1 mission

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 Chand...

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[ Wed, 15 Oct 2008 10:00:00 +0100 ]

GOCE launch campaign at Plesetsk

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.ESApod video programme...

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[ Fri, 10 Oct 2008 12:00:00 +0100 ]

ATV Jules Verne: Mission accomplished

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.ESApod video programme...

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[ Mon, 29 Sep 2008 13:00:00 +0100 ]

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 evolu...

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[ Thu, 04 Sep 2008 15:00:00 +0100 ]

Rosetta: rendezvous with an asteroid

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 encoun...

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[ Thu, 04 Sep 2008 12:00:00 +0100 ]

GOCE

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 ve...

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[ Mon, 01 Sep 2008 10:00:00 +0100 ]

Water

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 foun...

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[ Thu, 17 Jul 2008 14:00:00 +0100 ]

Hubble servicing mission and the next generation

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.ESApod video programme...

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[ Fri, 04 Jul 2008 12:00:00 +0100 ]

New astronauts

Thousands of people from the 17 countries that make up ESA responded to this dream of becoming an astronaut, but what are the qualities ESA is looking for?ESApod video programme...

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[ Fri, 27 Jun 2008 12:00:00 +0100 ]

The Ulysses legacy

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 ...

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[ Thu, 12 Jun 2008 15:00:00 +0100 ]

Galileo, time and space

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 an...

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[ Mon, 09 Jun 2008 16:00:00 +0100 ]

ILA Space Pavilion: Space exploration in the future

To land, first, on the Moon and, later, on Mars - in the 2030 timeframe - scientists need a mix of human and robotic missions to know in advance what challenges must be met - to know how humans can survive for years under microgravity, to scout landing zones and to develop precise navigation and artificial intelligence techniques.ESApod video programme...

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[ Fri, 30 May 2008 12:00:00 +0100 ]

Earth Observation highlights at ILA Space Pavilion

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...

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[ Thu, 29 May 2008 09:00:00 +0100 ]

Traces of Martian life: the search continues

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 t...

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[ Fri, 23 May 2008 12:00:00 +0100 ]

GOCE preparing for launch

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 mu...

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[ Wed, 21 May 2008 09:00:00 +0100 ]

Broadband internet via satellite aboard Thalys trains

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-base...

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[ Tue, 20 May 2008 09:00:00 +0100 ]

Innovation from space exploration and technology transfer

The advantage of using leading edge-technologies from space in other sectors, and vice versa, at the forum 'Innovation from space exploration and technology transfer' taking place 23 April 2008.ESApod video programme...

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[ Wed, 30 Apr 2008 23:00:00 +0100 ]

Technology spin-offs from European space programmes

Technology spin-offs from European space programmes presented at the SpaceTransfer08 event in the Innovations Market for Research and Development section at the Hanover trade fair 2008, taking place 21-25 April 2008.ESApod video programme...

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[ Wed, 30 Apr 2008 23:00:00 +0100 ]

Galileo - the atomic clock

The second Galileo satellite, GIOVE-B, is equipped with the most accurate clock ever to be flown in space. GIOVE B will be launched from Baikonur on 27 April.ESApod video programme...

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[ Fri, 25 Apr 2008 15:00:00 +0100 ]

Galileo - the way forward

The European Union and the European Space Agency are taking to implement Galileo and achieve the full deployment of the first civil satellite navigation system.ESApod video programme...

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[ Wed, 23 Apr 2008 15:00:00 +0100 ]

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.ESApod video programme...

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[ Wed, 23 Apr 2008 14:00:00 +0100 ]

ATV: Closing in on the target

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...

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[ Tue, 01 Apr 2008 17:00:00 +0100 ]

ATV orbital rehearsals for ISS docking

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 posi...

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[ Fri, 28 Mar 2008 15:00:00 +0100 ]

Moons

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 part...

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[ Tue, 18 Mar 2008 16:00:00 +0100 ]

Jules Verne ATV's space cargo

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 spar...

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[ Thu, 06 Mar 2008 15:00:00 +0100 ]

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