Ask an Astronomer
NASA's Spitzer Science Center / IPAC / NASA / Caltech
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"What happens when galaxies collide?" (Ask an Astronomer)
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Posted Sep 14, 2007 at 12:00 am.
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Dr. Varoujan Gorjian takes us inside galactic collisions in this 'Ask an Astronomer' video.
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"What is the nearest galaxy to the Milky Way?" (Ask Astron.)
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M51 and Gizmo in "Half-Baked Plan"
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