Messier 31, the Andromeda Galaxy

Messier 31, the Andromeda Galaxy
Messier 31, the Andromeda Galaxy Eleanor Masin donated to The Planetary Society in memory of her son Jonathan, who took this photo of Messier 31, the Andromeda Galaxy, in August 2011. Jonathan Masin

"We're changing the world. Are you in?"
- CEO Bill Nye

Sign up for email updates