So-called circumbinary planets — those planets that orbit around a binary star, like the fictional Tatooine from the Star Wars — can be ejected off into space as a consequence of their stars’ evolution, according to a new study to be published in the Astrophysical Journal (arXiv.org preprint). The findings help explain why astronomers have detected few circumbinary exoplanets despite observing thousands of short-term binary stars, or...
