Gaia Observatory
LocationSpace (L2)
Year2013
Size1.45 m mirrors (2)
OperatorESA
About Gaia Observatory
Creating the most precise 3D map of the Milky Way. Has measured positions of 1.8 billion stars. Discovered that the Milky Way warped and wobbles. Can measure star positions to micro-arcsecond precision. Will operate until 2025.
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