... 75 · Spring 2009 www.astrosociety.org/uitc © 2009, Astronomical Society of the Pacific 390 Ashton Avenue, San Francisco, CA 94112 Probing Extrasolar Planets with the Spitzer Space Telescope by Michelle Thaller (Spitzer Space Center) W hen the Spitzer Space Telescope was launched in August of 2003, astronomers around the world were looking forward to all the new discoveries they knew would be coming down the pike; spectacular images of star-forming clouds, detections of distant galaxies and the like....