2025-01-15 61 Cygni marks the end of Gaia's science observation phase
15 January 2025
Gaia's observation programme came to an end today, on 15 January 2025, after ten and a half years of regular sky scanning, netting all the way more than 2600 billion astrometric observations. The measurement of the parallaxes of at least one billion stars was one of the major objectives of the mission at selection time. The results so far...
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