Comments for: Double-star 2-planet system discovered 5,000 light-years away

Posted Aug. 29, 2012, at 7:07 p.m.

NEW YORK — Astronomers said they discovered the first system where two planets orbit two stars that in turn circle each other, creating a celestial traffic pattern that makes the length of day vary wildly on the terrestrial surfaces. The solar system, called Kepler 47, has one star about the …

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