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Omega Nebula - Definition |
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The Omega Nebula (also known as the Swan Nebula, the Horseshoe Nebula, the Lobster Nebula, Diffuse Nebula M17, Messier Object 17, Messier 17, M17, or NGC 6618) is an emission nebula in the Sagittarius constellation. It was discovered by Philippe Loys de Chéseaux in 1745. The Omega Nebula is a region of star formation and shines by excited emission, caused by the higher energy radiation of young stars.
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Example Usage of Nebula |
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baldywilson: Phenomenally beautiful night tonight. If you're still up, and have the time, try finding the Orion Nebula, the Pleiades, and Mars. |
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poproj: Orion Nebula from the backyard. Failed on M1 and Horse Head. Clouds look thin tonight, planning to observing lunar surface. Good times. |
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tiffkat: @paolavc haaabla vamos a Nebula XD |
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