Amazing Image Archive from NASA

The Horsehead Nebula - courtesy of nasaimages.org

The above is an image from nasaimages.org - an archive of many years of collected photos. Unfortunately not hi-res, but these images are rights free as long as you cite NASA and don't imply that they promote whatever you're selling.  At the very least, they're inspirational. They can also make you feel really insignificant. The image above is also strangely phallic. Moving on...