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    The Ghost Nebula (vdB 141). It's a reflection nebula in the constellation Cepheus. The light of stars embedded in the nebula give it the brown color that looks a bit liked dried blood. (Image credit: T.A. Rector/University of Alaska Anchorage, H. Schweiker/WIYN and NOAO/AURA/NSF) Mona Evans, "Cosmic Halloween Tour" www.bellaonline.c...

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    Know Your Nebulae

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    Nebulae

    A pillar of gas in the Carina Nebula is bathed in the light of hot, massive stars. Photo of Carina Nebula Pillar. Poster on VintPrint.com.

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    Ring Nebula

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    Blue Nebula

    This photo from NASA's Hubble Space Telescope shows an ominous pillar of gas and dust known as the Cone Nebula. The image shows the top portion of the nebula that is 2.5 light years in height. The Cone Nebula is 2,500 light-years from Earth in the Monoceros constellation. The red halo of light seen around the pillar is caused when ultraviolet radiation causes hydrogen gas in the nebula to glow.

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