Gaia, ESA's billion-star surveyor, is detecting stars and measuring their properties in order to build up the most precise 3-D map of the Milky Way. By accurately measuring the motion of each star, astronomers will be able to peer back in time to understand the Milky Way's history, its evolution and its destiny.
Gaia, ESA's billion-star surveyor, is detecting stars and measuring their properties in order to build up the most precise 3-D map of the Milky Way. By accurately measuring the motion of each star, astronomers will be able to peer back in time to understand the Milky Way's history, its evolution and its destiny.
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