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This National Optical Astronomy Observatory (NOAO) image of the Planetary Nebula Sh2-174, which may suggest a rose to some, was obtained with Mosaic 1 camera on the Mayall 4-meter telescope at Kitt Peak National Observatory in Tucson, Arizona January 8, 2013. A planetary nebula is created when a low-mass star blows off its outer layers at the end of its life. The core of the star remains and is called a white dwarf. Photo was captured January 8, 2013. (Photo by T.A. Rector (University of Alaska Anchorage) and H. Schweiker/NASA/Reuters)
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