Astronomers used NASA’s planet-hunting TESS satellite to find a “super-Earth” as well as a possible Earth-size planet, both orbiting a star 137 light-years away.
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Astronomers have discovered a super-Earth, or a world larger than our planet, orbiting a star about 137 light-years away. A second planet, thought to be the size of Earth, may also be orbiting the same star.
NASA's exoplanet-hunting spacecraft TESS has spotted a 'super-Earth' in the habitable zone of its red dwarf star, with indications it may have Earth-sized company.