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Stories, updates, insights, and original analysis from The Planetary Society.

New wonders to behold

New stars are being born, new missions are being conceived, and new discoveries are being made all the time.

Gaia's first galaxy map

The astronomy world is abuzz today because of ESA's announcement of the first release of data from the Gaia mission. Gaia is a five-year mission that will eventually measure the positions and motions of billions of stars; this first data release includes positions for 1.1 billion of them, and proper motions for 2 million.

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