Astronomy and Space
IRrelevant Astronomy is a web series produced by NASA's Spitzer Space Telescope. Each episode explains a general science concept or reveals science news relevant to Spitzer. The "IR" in the title stands for "infrared", making the title refer to "infrared-relevant astronomy." The first episode launched on January 15, 2008, on the Spitzer Space Telescope website.
Astronomy.
Flyby (spaceflight).
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