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An Earth-Sized World Orbiting in its Star’s Habitable Zone Was Found in Older Kepler Data

17 Apr 2020, 05:22 UTC
An Earth-Sized World Orbiting in its Star’s Habitable Zone Was Found in Older Kepler Data NASA/Ames Research Center/Daniel Rutter

To date, astronomers have confirmed the existence of 4,144 extrasolar planets in 3,074 systems, with a further 5,094 candidates awaiting confirmation. The majority of these planets were found by the Kepler Space Telescope, which spent nine years (between May of 2009 and February of 2018) monitoring distant stars for transit signals – where a planet passing in front of a star causes a dip in brightness.

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