Images
Links
J-Track
http://science.nasa.gov/Realtime/JTrack/3D/JTrack3D.html
Java based realtime Earth orbiting satellite viewer by NASA. Near Earth Orbit and geosynchronous satellites are distinguishable.
Spitzer Space Telescope Images
http://www.spitzer.caltech.edu/Media/mediaimages/index.shtml
Images from Spitzer,the final element in NASA's Great Observatories Program, and an important scientific and technical cornerstone of the Astronomical Search for Origins Program.