Kepler Space Telescope
LocationSpace
Year2009
Size0.95 m mirror
OperatorNASA
About Kepler Space Telescope
Discovered more than 2,600 confirmed exoplanets, the most of any single mission. Stared for four years at one patch of stars between Cygnus and Lyra. Proved that small rocky planets outnumber giant ones in the galaxy. Retired in 2018 when its fuel ran out.
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