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    A Look At Spiral Galaxies

    Spiral Galaxies are like a rotating disk which contain gas, dust, stars and becomes dense towards center. Center of spiral galaxies are known as Bulge.

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    Channels: Astrophysics

    Tags: Spiral Galaxies Sixty Symbols

    Uploaded by: ( Send Message ) on 30-01-2013.

    Duration: 7m 42s