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Ask an Astronomer

by NASA's Spitzer Science Center and Infrared Processing and Analysis Center
Since Oct 14, 2005 00:00 UTC

Real NASA astronomers answer questions about the exciting science of astronomy. Dr. Varoujan Gorjian explains the mind-boggling expansion of the Universe.

Categories: Medicine

Tags: ask, ask an astronomer, astronomer, astronomy, infrared astronomy, ipac, NASA, NASA's, physics, science, Spitzer Space Telescope

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