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Anne's Image of the Day: The Lagoon Nebula

October 21, 2013 The Lagoon Nebula, an emission nebula in Sagittarius Image Credit: R. Barba, N. Morrell et al. (UNLP), CTIO, NOAO, NSF The Lagoon Nebula (also known as Messier 8, NGC 6523 and Sh2-25) is an emission nebula that measures about 110 by 50 light-years, located between 4,000 – 6,000 light-years away from Earth [continue reading]