International Astronomy Day 2026

Celebrate International Astronomy Day at The Franklin Institute. Spend the day unlocking the mysteries of the universe across four floors of out-of-this-world experiences, including the two-story Wondrous Space exhibit, Fels Planetarium, and the Holt & Miller Observatory. Featured Programming includes Solar Viewing in Science Park, Space Suit Show, Explosive Trash Can Rocket Launch Finale, and more. Special Guest: Chief Astronomer Derrick Pitts.