From the LatLong blog… Google Earth team and NASA began a collaborative effort to bring awareness and promote knowledge of NASA’s “earth” programs. After months of production, the “NASA” layer group is now live in Google earth.
The new “NASA” layer has three components:
- Astronaut Photography of Earth
- Satellite Imagery
- Earth City Lights
See also the NASA photo gateway at http://eol.jsc.nasa.gov/