This is a stunning picture of the Andromeda Galaxy, or M31, which is nearly two and half million light-years away. It is over 200,000 light-years across. Its bright yellow nucleus and blue spiral arms are clearly visible. The Andromeda Galaxy was the galaxy that allowed for the development of the theory of island universes.
Friday, January 25, 2008
3.4 Andromeda Island Universe
This is a stunning picture of the Andromeda Galaxy, or M31, which is nearly two and half million light-years away. It is over 200,000 light-years across. Its bright yellow nucleus and blue spiral arms are clearly visible. The Andromeda Galaxy was the galaxy that allowed for the development of the theory of island universes.
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