Difference between revisions of "Spiral galaxy"
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(New page: A spiral galaxy is a galaxy consisting of a rotating disk of stars, gas and dust and have two arms that extend outwards from the central bulge.) |
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Revision as of 13:01, September 19, 2008
A spiral galaxy is a galaxy consisting of a rotating disk of stars, gas and dust and have two arms that extend outwards from the central bulge.