Scientists find rare double-star system where one star orbited inside the otherBy otako_fzbgs4 / May 22, 2025 Astronomers may have discovered a rare type of binary star system, where one star used to orbit inside its partner. Related posts: Catch solar bursts in new citizen science project Sped-up simulation of Hera’s Mars flyby Hera asteroid mission’s Mars flyby Watch live: Images from Hera’s Mars flyby