When worlds collide, the result is spectacular, and astronomers think they’ve detected the aftermath of such an event around another star.

When Worlds Collide (Showcase)

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).

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When Worlds Collide (Showcase)

When Worlds Collide (Showcase)