jayaramas
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why galaxies are having uneven distribution of stars, in the form of arms? actually stars should have been like a thin disk like distribution of stars.
Why are galaxies shaped like spirals?
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Vorde
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This is one of the open questions in Astrophysics, however there are many good theories detailed here:
http://en.wikipedia.org/wiki/Spiral_galaxy
http://en.wikipedia.org/wiki/Spiral_galaxy
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