Colin Stuart 🔭 @colinstuartspace.bsky.social · 25/01/2026Ganymede casts a mighty shadow across Jupiter. It’s the solar system’s largest moon - bigger even than the planet Mercury. Image: NASA/JPL-Caltech/SwRI/MSSS/T Thomopoulos #astronomy 1278
Kate Orman @kateorman.bsky.social · 26/01/2026That's wild! How can Ganymede's shadow look so enormous? 100
