July 09, 2014

8:35 PM | Finally, Really, You're Invited to Help Name Distant Planets
Kepler 22b Kepler-22b, just 2.4 times the size of Earth, is the first planet known to comfortably circle in the habitable zone of a sun-like star. Scientists do not yet know if the planet has a rocky, gaseous, or liquid composition. It's possible that the world would have clouds in its atmosphere, as depicted here. NASA/Ames/JPL-Caltech The world known officially as PSR B1620-26 b orbits a binary star system about 12,000 light-years away. With an estimated age of 12.7 billion years, PSR […]
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