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Stories about: Gliese 518

Astronomers Discover the Smallest Exo-Planet to Date As expected, the Gliese 581 system did not disappoint and is now revealing the smallest planet outside our solar system, bringing the total number of planets found orbiting around the red dwarf star to three. When the star was first targeted by astronomers nearly two years ago, only a single planet was detected. The ... 21 July 2008 08:31 GMT