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Astronomy Cast

Astronomy Cast Ep. 365: Gaia

26 Jan , 2015 by Fraser Cain Video

The European Gaia spacecraft launched about a year ago with the ambitious goal of mapping one billion years in the Milky Way. That’s 1% of all the stars in our entire galaxy, which it will monitor about 70 times over its 5-year mission. If all goes well, we’ll learn an enormous amount about the structure, […]

esa, Gaia, galaxy, mapping, stars

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