Gaia’s map of the sky — with two *billion* stars – SYFY WIRE

An international team of astronomers called the Gaia Collaboration has released a new, updated catalog from the Gaia astronomical satellite. The catalog is staggering: It lists positions, distances, colors, brightnesses, and motions of nearly two billion stars in the Milky Way.
Two. Billion.
This is the third release of the massive catalog of observations, with many updates including more stars, and more importantly better calibration of the data. That’s typical for a survey observatory that releases…

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