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The Gravity Recovery And Climate Experiment (GRACE), a joint mission of NASA and the German Space Agency, has been making detailed measurements of Earth's gravity field since its launch in…
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GRAIL =Gravity Recovery and Interior Laboratory The Gravity Recovery and Interior Laboratory (GRAIL) is an American lunar science mission in NASA's Discovery Program, which will use high-quality gravitational field mapping…
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Grasshopper is an experimental technology-demonstrator, suborbital reusable launch vehicle (RLV), a vertical takeoff, vertical landing (VTVL) rocket announced in 2011 for low-altitude testing that began in 2012. Grasshopper is being…
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Hayabusa (はやぶさ?, literally "Peregrine Falcon") was an unmanned spacecraft developed by the Japan Aerospace Exploration Agency (JAXA) to return a sample of material from a small near-Earth asteroid named 25143…
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Helios-A and Helios-B (also known as Helios 1 and Helios 2), are a pair of probes launched into heliocentric orbit for the purpose of studying solar processes. A joint venture…
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Helios II is a military satellite for Earth observation. It is operating since April 2005. It is operated jointly by France, Belgium, Spain, Greece and Italy.
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The Helioviewer project is an online Solar and heliospheric image visualization tool. It is the result of a cooperation between NASA, ESA, and JAXA. The aim of the Helioviewer Project…
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A space telescope observing in the far-infrared. The Herschel Space Observatory is a European Space Agency space observatory sensitive to the far infrared and submillimetre wavebands. It is the largest…
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The High Energy Transient Explorer (abbreviated HETE; also known as Explorer 79) was an American astronomical satellite with international participation (mainly Japan and France). The prime objective of HETE was…
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The two key themes for this new centre being built are “Space” and “Big Data” and as such it will host a number of facilities, including: A space-focused Business Incubation…
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The High Energy Stereoscopic System (H.E.S.S.) is a next-generation system of Imaging Atmospheric Cherenkov Telescopes (IACT) for the investigation of cosmic gamma rays in the 100 GeV and TeV energy…
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Himawari or Geostationary Meteorological Satellite (GMS), was a series of Japanese weather satellites operated by the Japan Meteorological Agency. The first GMS satellite was launched 14 July 1977 from Cape…