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
The One Ring of Saturn (Showcase)
Astronomers have found One Ring to rule them all, not in the land of Mordor, but around Saturn, the Lord of the Rings of the solar system.