This picture of the NGC 206 and the star clouds of the Andromeda galaxy was made Astronomy Picture of the Day on September 25, 2014. Also known as M31, Andromeda is only 2.5 million light years away. This particular image is a close-up on the outer disk of Andromeda's dust clouds. Andromeda is a relatively young galaxy, its youngest stars being less than 10 million years old. Andromeda roughly spans about 4000 light years.
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