Astronomy facts
One short astronomy fact per day, each with a figure and a source. Pick a topic or scroll back through the days.
February 2025
- Feb 18 StarsSome White Dwarfs Explode in Two Stages
- Feb 17 PlanetsThere’s a Planet That’s Literally Evaporating
- Feb 16 The UniverseA Giant Milky Way Cloud Contains Alcohol
- Feb 15 PlanetsSome Planets Rain Rocks
- Feb 14 SunThe Sun Sounds Like a Drum
- Feb 13 The UniverseSome of the Coldest Matter Ever Made Is in Orbit
- Feb 12 PlanetsSaturn’s Rings Are Temporary
- Feb 11 The UniverseThe Wall Made Out of Galaxies
- Feb 10 PlanetsRogue Planets Can Have Underground Oceans
- Feb 9 PlanetsJupiter’s Lightning is Not Like Ours
- Feb 8 Missions & SpacecraftThe Voyager Probes Will Outlive Earth
- Feb 7 StarsNeutron Stars Are So Round, It’s Ridiculous
- Feb 6 Black HolesThe Black Hole That Slows Down Time
- Feb 5 StarsThe Sun’s Ghostly Twin
- Feb 4 MoonThe Moon is Rusting
- Feb 3 StarsThere’s a Star That Dates Back to the Early Universe