This artist’s concept illustrates Kepler-47, the first transiting circumbinary system -- multiple planets orbiting two suns -- 4,900 light-years from
This artist's concept illustrates Kepler-47, the first transiting circumbinary system -- multiple planets orbiting two suns -- 4,900 light-years from Earth, in the constellation Cygnus. The system was detected by NASA's Kepler space telescope (NASA/JPL-Caltech/T. Pyle)