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