Circumbinary planet
Planet that orbits two stars instead of one
Circumbinary planet
A circumbinary planet is a planet that orbits two stars instead of one. The two stars orbit each other in a binary system, while the planet orbits farther from the center of the system than either of the two stars. In contrast, circumstellar planets in a binary system have stable orbits around one of the two stars, closer in than the orbital distance of the other star (see Habitability of binary star systems). Studies in 2013 showed that there is a strong hint that a circumbinary planet and its stars originate from a single disk.
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