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Last Post 2/28/2007 6:53 AM by  Holly Gilbert
Milky Way
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2/27/2007 12:54 PM

    Whats the length of the Milky Way?


    Holly Gilbert



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    2/28/2007 6:53 AM

    The disk of the Milky Way galaxy is approximately 100,000 light years in diameter (one light year is about 9.5 x 1015 meters or 5.9 x 1012 miles), so it is EXTREMELY long! The thickness is not as large- it is only about 1000 light years thick.

    Holly

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