Colossal Coma Cluster of Galaxies Dominates Skywatcher Photo

Located 321 million light years from Earth, the Coma Cluster of Galaxies, or Abell 1656, contains more than 1,000 identified galaxies. (Image credit: Adam Block/Mount Lemmon SkyCenter/University of Arizona)

The massive Coma cluster of galaxies glows in this spectacular skywatching photo.

Astrophotographer Adam Block captured this image of the Coma cluster, or Abell 1656, from Arizona's Mount Lemmon SkyCenter in February 2012.

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Nina Sen is a freelance writer and producer who covered night sky photography and astronomy for Space.com. She began writing and producing content for Space.com in 2011 with a focus on story and image production, as well as amazing space photos captured by NASA telescopes and other missions. Her work also includes coverage of amazing images by astrophotographers that showcase the night sky's beauty.