First Map of Alien World

This is the first-ever map of the surface of an exoplanet, or a planet beyond our solar system. The map, which shows temperature variations across the cloudy tops of a gas giant called HD 189733b, is made up of infrared data taken by NASA's Spitzer Space Telescope. Hotter temperatures are represented in brighter colors.

http://www.spitzer.caltech.edu/Media/releases/ssc2007-09/ssc2007-09a.shtml