Galactic cannonballs: The mystery of hypervelocity white dwarfs may just have been solved Astronomers may have solved the mystery of how hypervelocity white dwarfs rocket out of the Milky Way at breakneck speeds. Astrobitica August 29, 2025 (Last updated: August 29, 2025) 1 minute read Astronomers may have solved the mystery of how hypervelocity white dwarfs rocket out of the Milky Way at breakneck speeds. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: An economic strategy for American space supremacyNext: 56 million years ago, Earth underwent rapid global warming. Here’s what it did to pollinators