space astrometry

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• Astrometry — is the branch of astronomy that relates to precise measurements and explanations of the positions and movements of stars and other celestial bodies. Although once thought of as an esoteric field with little useful application for the… …   Wikipedia

• Space velocity — The space velocity of an astronomical object is its actual motion relative to the Sun or the Local standard of rest.AstrometryIts components in the Galactic coordinate system are usually designated U, V, and W, given in km/s, with U positive in… …   Wikipedia

• Space Interferometry Mission — Infobox Space telescope name = Space Interferometry Mission (SIM) caption = Artist s concept of the SIM telescope in space organization = NASA / JPL major contractors = Northrop Grumman alt names = SIM PlanetQuest nssdc id = location = orbit type …   Wikipedia

• List of projects of the European Space Agency — Entire list of projects of the European Space Agency:Current projects already launched* Artemis mdash; Europe s most advanced telecommunication satellite. * Corot mdash; a space telescope for detecting rocky exoplanets larger than Earth. Launched …   Wikipedia

• Gridless Narrow-Angle Astrometry — (GNAA) is an astrometry technique developed at the California Institute of Technology Jet Propulsion Laboratory under contract to NASA. GNAA allows star positions to be measured without first setting up a grid of reference stars; instead, it sets …   Wikipedia

• Hubble Space Telescope — Infobox Space telescope name = Hubble Space Telescope (HST) caption = The Hubble Space Telescope as seen from Space Shuttle Discovery during its second servicing mission (STS 82) organization = NASAESASTScI alt names = nssdc id =… …   Wikipedia

• Deep Impact (space mission) — Infobox Spacecraft Name = Deep Impact Caption = Illustration of the Deep Impact space probe after impactor separation (artist s conception). Organization = NASA Major Contractors = Ball Aerospace Technologies Corp., JPL Mission Type = Flyby,… …   Wikipedia

• Nano-JASMINE — (Nano Japan Astrometry Satellite Mission for INfrared Exploration) is a 35 kg astrometric microsatellite developed by the National Astronomical Observatory of Japan. The satellite is scheduled to be lanched August 2011 into a sun synchronous …   Wikipedia

• Hipparcos — Infobox Space telescope name = Hipparcos caption = Artist s conception of Hipparcos in space organization = European Space Agency major contractors = alt names = nssdc id = location = orbit type = Geostationary transfer orbit height = 507 to… …   Wikipedia

• Gart Westerhout — Summary Biography Gart Westerhout (1927 ) is a Dutch astronomer. Well before completing his university studies at Leiden, he had already become well established internationally as a radio astronomer in The Netherlands, specializing in studies of… …   Wikipedia

• Hipparcos Catalogue — The Hipparcos and Tycho Catalogues (Tycho 1) are the primary products of the European Space Agency s astrometric mission, Hipparcos. The satellite, which operated for four years, returned high quality scientific data from November 1989 to March… …   Wikipedia