Conversation

Once again, the Universe reveals how bizarre it can be. A binary star system called AC Her appears to have a planetary disk that orbits in a polar orbit around both stars. The two stars are located almost three astronomical units, while the planetary disk is inclined almost perpendicular to the stars. Although planets have been found on polar orbits before, and circumbinary planets have been found, this is the first time we've seen this combination.

http://arxiv.org/abs/2310.19600