Liftoff For Europe’s Billion-Star Surveyor


Copyright ESA–S. Corvaja, 2013

Copyright ESA–S. Corvaja, 2013

19 December 2013 ESA PR 44-2013: ESA’s Gaia mission blasted off this morning on a Soyuz rocket from Europe’s Spaceport in Kourou, French Guiana, on its exciting mission to study a billion suns.

Gaia is destined to create the most accurate map yet of the Milky Way. By making accurate measurements of the positions and motions of 1% of the total population of roughly 100 billion stars, it will answer questions about the origin and evolution of our home Galaxy.

The Soyuz launcher, operated by Arianespace, lifted off at 09:12 GMT (10:12 CET). About ten minutes later, after separation of the first three stages, the Fregat upper stage ignited, delivering Gaia into a temporary parking orbit at an altitude of 175 km.

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  1. bartosch2100@gmail.com
    December 23, 2013 at 9:41 am

    Will data from the mission be used in exoplanet hunting?

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