M100 is a large spiral galaxy of over 100 billion stars with well-defined spiral arms. It is comparable to our own Milky Way Galaxy. M100 is 56 million light years distant toward Berenice's Hair. Bright blue star clusters and dust lanes can be seen in this image of the galaxy from 2009. A light echo from a bright supernova can be seen in the photo too. This galaxy is truly stunning.
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