An artist's impression of the circumbinary planetary system Kepler 16-b. A planet is seen in the foreground, with 2 orange and yellow-hued stars in the background. Faint stars can be seen in the background.
Artist's impression of Kepler-16b, the first planet known to definitively orbit two stars - what's called a circumbinary planet. The planet, which can be seen in the foreground, was discovered by NASA's Kepler mission.
NASA/JPL-Caltech/T. Pyle