Is the Earth round?
The Earth is an irregularly shaped ellipsoid. While the Earth appears to be round when […]
The Earth is an irregularly shaped ellipsoid. While the Earth appears to be round when […]
Earth is the only known planet to have bodies of liquid water on its surface. […]
From NOAA
Copyright © All rights reserved. 2011-2018 Sherpa Multimedia, Inc. 1343 Irving Park Rd. Unit 13493 Chicago · IL 60613 · United States