PH3c: Astronomers Discover Low-Mass Exoplanet Orbiting Sun-like Star

Professional astronomers and volunteers from the Planet Hunters citizens science program have discovered a low-mass, low-density exoplanet circling a Sun-like star known as PH3. PH3, also known as Kepler-289, KOI-1353 or KIC 7303287, is a young star located about 2,300 light-years from the Sun. Two planets in the system – Kepler-289b (PH3b) and Kepler-289c (PH3d) [...] —> Read More Here


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