Gaia delivers a trove of data revealing secrets of the Milky Way

Astronomers are using the info to gauge the galaxy’s mass, size up exoplanets and more

GAIA

IN MOTION The Gaia spacecraft can reveal new features of the universe, thanks to its ability to track the movement of stars, like the rotation of the Large Magellanic Cloud, shown in this image based on light measured by Gaia.

DPAC/Gaia/ESA

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