Facts about the Moon

Earth Distance 356,000 to 407,000 km
Revolution Period 27.3 Earth days
Rotation Period 27.3 Earth days
Equatorial diameter 3476 km
Gravitational Pull 0.16 times the Earth

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
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