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	Behind the Scenes: When Galaxies Collide \| NASA Spitzer (Sherlock Holmes) View
	Behind the Scenes: When Galaxies Collide (Felicia Day, Sean Astin) (ExploreAstro) View
	Behind the Scenes: When Galaxies Collide (stevebd1) View
	Behind the Scenes: Dead Stars \| Sean Astin, Sandeep Parikh \| NASA Spitzer (Sherlock Holmes) View
	Spitzer Space Telescope: The Musical (ExploreAstro) View
	18 Behind the Scenes When Galaxies (frederick butt) View
	Behind the Scenes: Dead Stars (Sean Astin, Sandeep Parikh) (ExploreAstro) View
	Spitzer Space Telescope The Musical \| NASA Spitzer (Sherlock Holmes) View
	How does a Space Telescope work (Hubble and Webb) (Jared Owen) View
	Hubblecast 10: Making the Universe come to life - behind the (rshida) View