Kepler-51

作者：fyr02 Pleione昂宿增十二_Be

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Kepler-51 is an F-type main-sequence star that is only about 500 million years old, and about 2,620±30 light-years in the constellation Cygnus. It is orbited by three super-puff planets, which have the lowest known densities of any exoplanet. The planets are all Jupiter-sized but with masses only a few times that of Earth's. In 2024, Kepler-51e was announced to have been discovered. The planet's mass is estimated to be 1.6 to 6.1 times that of Earth. Since this planet was not discovered using the transit method, its size cannot be measured.

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