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Gliese 876 is a red dwarf about 15 light-years away from Earth in the constellation of Aquarius. It is the closest star known to be a multiplanetary system. As of 2011, four extrasolar planets have been found orbiting the star.
References[change | change source]
- Correia A.C M. et al. 2010. The HARPS search for southern extra-solar planets. XIX. Characterization and dynamics of the GJ 876 planetary system. Astronomy and Astrophysics 511: A21. 
- Rivera, Eugenio J. et al. 2010. The Lick-Carnegie Exoplanet Survey: a Uranus-mass fourth planet for GJ 876 in an extrasolar Laplace configuration. The Astrophysical Journal 719 (1): 890–899.