This is a breathtaking picture of the Trifid Nebula, also known as M20, which lies about 5,000 light-years away by the constellation Sagittarius. A star forming region, the nebula contains three different nebula: red emission nebulae, blue reflection nebulae, and dark nebulae. The bright red emission that is separated into three sections by the dark dust lanes lends the nebulae to its name. The Trifid Nebula is about 40 light-years across.
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