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

"Why aren't there any green stars?" (Ask an Astronomer)

Ask an Astronomer Video • March 13th, 2008 • ask2008-002

Dr. Michelle Thaller answers this question for 'Ask an Astronomer.'