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ESA Science & Technology

Two million stars on the move

12 Apr 2017, 09:28 UTC
Two million stars on the move ESA/Gaia/DPAC

The changing face of our Galaxy is revealed in a new video from ESA’s Gaia mission. The motion of two million stars is traced 5 million years into the future using data from the Tycho-Gaia Astrometric Solution, one of the products of the first Gaia data release. This provides a preview of the stellar motions that will be revealed in Gaia's future data releases, which will enable scientists to investigate the formation history of our Galaxy.

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