Cosmic Houdini: Scientists baffled by mysterious planet that was supposed to be destroyed by its star
The violent merger between two stars that may have formed the helium-burning giant star Baekdu is depicted. The merger debris forms a disk from which the planet Halla formed, allowing the planets an unlikely survival around the star. Credit: WM Keck Observatory/Adam Makarenko 8 Ursae Minoris b, a giant planet, surprisingly survives despite the expansion … Read more