Moon Count

When you look at the sky, you can often see the Earth's moon. Other planets in our Solar System also have moons. Look carefully at the Moon Count graph below. Can you use it to answer questions about Solar System planets and their moons?

graph of moons for each planet

The StarChild site is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA/ GSFC.

StarChild Authors: The StarChild Team
StarChild Graphics & Music: Acknowledgments
StarChild Project Leader: Dr. Laura A. Whitlock
Curator: J.D. Myers
Responsible NASA Official: Phil Newman