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  • Hot Super-Earth Discovered Orbiting Ancient Star

    05/18/2020 7:44:45 PM PDT · by SunkenCiv · 15 replies
    Science News ^ | May 18, 2020 | Natali Anderson
    An international team of astronomers has discovered a close-in super-Earth exoplanet in the HD 164922 planetary system. HD 164922 is a bright G9-type star located approximately 72 light-years away in the constellation of Hercules. Also known as Gliese 9613 or LHS 3353, the star is slightly smaller and less massive than the Sun and is 9.6 billion years old. HD 164922 is known to host two massive planets: the temperate sub-Neptune HD 164922c and the Saturn-mass planet HD 164922b in a wide orbit. The sub-Neptune is 12.9 times more massive than Earth, and orbits the parent star once every 75.8...