You can learn more about missions used in this slide show by visiting their Web sites.
+ Spitzer Space Telescope
+ Galaxy Evolution Explorer
+ Hubble Space Telescope
+ Chandra X-ray Observatory
A false-color view of the Cartwheel galaxy, created with data from Spitzer, Galaxy Evolution Explorer, Hubble and Chandra.
+ Full image and caption
Jet Propulsion Laboratory
California Institute of Technology