upgrade
Astronomical Adventures

The Planet Earth


Planet Earth

Earth as seen by the Galileo spacecraft

Some basic facts about Earth


PlanetEarth
Radius (kilometers)6378
Orbital Distance from the Sun (kilometers)149597870
Rotation Period (1=24 hours)0.99725
Mass (Million Metric Tons)5.974E+12
Density (grams/cubic centimeter)5.52
Year DiscoveredUnknown
Moons1


Did you know that:


space

Need someone to talk about space to your group? Check out the Chicago Society for Space Studies Speakers Bureau

For space art, astronomy, and digital photography stories, visit the Artsnova Blog

Copyright 1999-2007, Astrodigital, http://www.astrodigital.org. All rights reserved.
To ask questions, report problems or for general inquiries, see Contact