Astronomers Discover Earth-Sized Exoplanet Likely Covered by Volcanoes

May 18th 2023 12:11am EDT

Planet LP 791-18d orbits a red dwarf about 90 light-years from Earth, located in the Crater constellation. The planet is estimated to be only slightly (20%) larger and seven times Earth’s mass, while also being in tidal grip – that is, facing the star with one side.

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