Galactic cannonballs: The mystery of hypervelocity white dwarfs may just have been solvedBy otako_fzbgs4 / August 29, 2025 Astronomers may have solved the mystery of how hypervelocity white dwarfs rocket out of the Milky Way at breakneck speeds. 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