Bruce Murray Space Image Library

Jupiter and Ganymede from Hubble

Jupiter and Ganymede from Hubble
Jupiter and Ganymede from Hubble On April 9, 2007, Hubble caught Ganymede in the act of setting behind Jupiter. Ganymede is the largest moon in the solar system, bigger than the planet Mercury. NASA / ESA / E. Karkoschka (University of Arizona)

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

Sign up for email updates