Universe Mysteries 🪐
@cosmomyst · Post #469 · 10/31/2025, 12:21 PM
🪐 The star HD 49798, located about 2,000 light-years away in the constellation Puppis, is an unusual subdwarf that forms a pair with a mysterious, ultra-dense white dwarf companion. The white dwarf is spinning at a record-breaking speed of just 13 seconds per rotation, making it one of the fastest-spinning white dwarfs ever found and offering a glimpse into rare, exotic outcomes of stellar evolution. ✨ #unusualstars⚡#white⚡#dwarfs⚡#HD49798⚡#nasa⚡#galaxy⚡#stars⚡#astronomy⚡#universe⚡#cosmos⚡#space 👉subscribe Universe Mysteries 👉more Channels