Facts about Mercury

Shuttle


Average Solar Distance   57.8 million km
Revolution Period        87.9 Earth days
Rotation Period          58.6 Earth days
Equatorial diameter      4878 km
Gravitational Pull       0.38 times the Earth
Natural Satellites       0

Average Solar Distance	57.8 million km
Revolution Period	87.9 Earth days
Rotation Period	58.6 Earth days
Equatorial diameter	4878 km
Gravitational Pull	0.38 times the Earth
Natural Satellites	0

Shuttle

The StarChild site is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), 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: Amber Straughn