View Full Version : Gliese 15Ab: The Closest Known Super-Earth?

2014-Sep-09, 01:40 PM
Our solar neighborhood is rich with planetary systems. Within 20 light-years we’ve detected sizzling gas giants and rocky planets orbiting closer to their host star than Mercury orbits the Sun. Astronomers have now added one more to the list, and this one — a super-Earth dubbed Gliese 15Ab — ranks as one of the closest […]

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