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Apr 16, 2019

Discovery! 3rd Planet Found in Two-Star ‘Tatooine’ Star System

Posted by in category: space

Kepler-47 is a roughly 3.5-billion-year-old system located 3,340 light-years from Earth. One of its stars is quite sunlike, but the other is considerably smaller, harboring just one-third the mass of our sun. The two stars orbit their common center of mass once every 7.45 Earth days.

Back in 2012, Welsh and his colleagues, led by fellow SDSU astronomer Jerome Orosz, announced the discovery of two planets circling the two stars. These worlds, Kepler-47b and Kepler-47c, both have two suns in their skies, just like Luke Skywalker’s home planet of Tatooine in the “Star Wars” universe.

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