In this spoof of old TV action shows, Sean Astin, Osa Wallander, and Betty White search for a way to help the Spitzer Space Telescope after it runs out of coolant.

Part Two: The Warm Mission (Sean Astin, Betty White)

It's the series Aint-It-Cool-News calls ''the most (intentionally) hilarious series of educational films you'll find...the pieces carry a Muppets-esque charm.'' Alan Dyer at Discovery.com says it's ''a lot of fun, and breaks the mold for NASA videos.'' Recently a top-10 finalist for ''Best Science/Technology Podcast'' at the 2008 Podcast Awards, IRrelevant Astronomy is packed with CG animation and snarky humor, all wrapped around the latest astronomy news and science from NASA's Spitzer Space Telescope. It's infrared-relevant!

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Part Two: The Warm Mission (Sean Astin, Betty White)

Part Two: The Warm Mission (Sean Astin, Betty White)