Most Detailed Map of the Milky Way.
The most detailed 3D map yet of a billion stars in the Milky Way galaxy was released September 14 2016, along with a sneak peek at brand-new data on millions of stars collected by the European Space Agency’s Gaia spacecraft.
Gaia has been scanning the sky to create a catalogue of more than a billion stars in and around the Milky Way since 2014. Today’s first data release includes precise positions and brightness of 1.142 billion stars, plus distances and motions of more than 2 million stars.
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