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The top documents tagged [cigar galaxy]
Science Olympiad, and the Citizen Sky Project Donna L Young National Event Supervisor for Astronomy Lead Educator, Chandra X-ray Center E/PO Office Author,
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Interacting Galaxies
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GALAXIES. There are Three main classes (as classified by Hubble). A. Spiral B. Elliptical C. Irregular 1. Spiral galaxies. Disk + central bulge. M51 M51
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GALAXIES
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