Kepler Space Telescope

Author(s): toutatis

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Kepler was a NASA space telescope, launched in 2009 and decommissioned in 2018, to survey a portion of Earth's region of the Milky Way to discover Earth-size exoplanets in or near habitable zones, and estimate how many of the billions of stars in the Milky Way have such planets. During Kepler's primary mission, it observed 530,506 stars and discovered 2,709 planets, in addition to 2,057 planet candidates yet to be confirmed. During its extended "K2" mission, it found an additional 537 planets and 958 candidates.

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