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Feb 2025
17m 20s

Saying Farewell to the Spacecraft That M...

Scientific American
About this episode
The Gaia spacecraft stopped collecting data this January after about 11 years and more than three trillion observations. Senior space and physics editor Lee Billings joins host Rachel Feltman to review Gaia’s Milky Way–mapping mission and the tidal streams, black holes and asteroids the spacecraft identified.  Recommended reading: New Maps of Milky Way Are ... Show More
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