Trifid nebula

The Trifid Nebula is an emission nebula in the constellation of Sagittarius.Antony Cooke, Dark Nebulae, Dark Lanes, and Dust Belts (New York: Springer, 2012), p. 90 It is a large H II region that is bright enough to be viewed with binoculars.Stephen P. Maran, Astronomy For Dummies (Hoboken, NJ: Wiley; Chichester: John Wiley, 2012), p. 230 The Trifid nebula is about 5,200 light-years away from Earth. It gets its name trifid from its three visible dust lanes.David Malin; Paul Murdin, Colours of the Stars (Cambridge; New Yori: Press Syndicate of the University of Cambridge, 1984), p. 150 

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Category:Nebulae