Photos: Gaia Spacecraft to Map Milky Way Galaxy

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Artist's Impression of Gaia

Credit: ESA/D. Ducros
The European Space Agency's Gaia spacecraft will create a three-dimensional map of the Milky Way, revealing information about its composition, formation…Read More »

and evolution. The mission will measure the position for about one billion stars in our galaxy and local group, with radial velocity measurements for the brightest 150 million objects. Gaia will launch in 2013 on a five-year mission, with a possible one-year extension.   Less «
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