Impressive images of our blue Planet from space can be seen in this site. Most images are from NASA and the U.S. Geological Survey.
Images from Space
Sunset with Venus
The Sun shines over the Planet, as see from space.
Colors of the Atlantic Ocean near the African coast taken with the Visible Infrared Imaging Radiometer Suite, which allows a better definition of colors.
About the Geographic Guide - Images of the Planet Earth as seen from space.