Stars facts
One short astronomy fact per day, each with a figure and a source. Pick a topic or scroll back through the days.
April 2025
March 2025
- Mar 28 StarsA Single Spoonful of Neutron Star Material Weighs as Much as a Mountain
- Mar 26 StarsA Magnetar Once Blasted Earth with a Gamma-Ray Flare
- Mar 10 StarsThe Fastest Known Spinning Star Is a Dead One
- Mar 7 StarsThere’s a Star That Pulses Like a Beating Heart
February 2025
- Feb 28 StarsThere’s a White Dwarf Racing at 2,800 km/s
- Feb 26 StarsNeutron Stars Are So Dense They Warp Light
- Feb 18 StarsSome White Dwarfs Explode in Two Stages
- Feb 7 StarsNeutron Stars Are So Round, It’s Ridiculous
- Feb 5 StarsThe Sun’s Ghostly Twin
- Feb 3 StarsThere’s a Star That Dates Back to the Early Universe