Witness our universe in a whole new way! This video series highlights some of the most exciting discoveries from NASA's Spitzer Space Telescope. In-depth 'Showcase' features, striking 'Gallery Explorer' montages, and other whimsical specials take you beyond the visible to a universe of dust and stars hidden from Earth-bound eyes. Spitzer is the infrared component of the NASA Great Observatory program which also includes Hubble (visible), Chandra (x-ray), and Compton (gamma ray).
https://www.spitzer.caltech.edu/podcast/hidden-universe.xml
10 Years of Innovation
On August 25, 2003, NASA launched the Spitzer Space Telescope to reveal secrets of the infrared universe.