We have launched the new Spitzer website! Send feedback to outreach@ipac.caltech.edu. Find the old website at http://legacy.spitzer.caltech.edu.

Night and Day on an Alien World

Hidden Universe Video • October 12th, 2006 • hiddenuniverse004

It's as clear as day and night... but on an exotic alien world! Astronomers have for the first time measured the temperatures varying across the surface of a planet beyond our solar system.