Gaia satellite and amateur astronomers spot one in a billion star

17 Jul 2015

The Gaia satellite has discovered a unique binary system where one star is ‘eating’ the other, but neither star has any hydrogen, the most common element in the Universe. The system could be an important tool for understanding how binary stars might explode at the end of their lives.

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Gaia discovers its first supernova

12 Sep 2014

While scanning the sky to measure the positions and movements of stars in our Galaxy, Gaia has discovered its first stellar explosion in another galaxy far, far away.

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Gaia’s mission: solving the celestial puzzle

19 Dec 2013

A space mission to create the largest, most-accurate, map of the Milky Way in three dimensions has been launched today. Astronomers say the data gathered by the satellite will “revolutionise” our understanding of the galaxy and the universe beyond.

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