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Exoplanet Kepler-16 (AB) b orbits a binary star 245 light years from the Sun. It is the first such exoplanet detected with radial velocity method, which measures gravitational influence of the planet on its star.
The exoplanet has one third of Jupiter's mass and 75 % of its size. One year on this world lasts 228 days.
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Astronomers led by Byeong-Cheol Lee have made a groundbreaking discovery, detecting a brown dwarf orbiting the red giant HD 18438. With a radius of 89 times that of the Sun, HD 18438 is now the largest known star to be orbited by an exoplanet or brown dwarf.