| Inside the Rosette Nebula lies an open cluster of bright young stars designated NGC 2244. These stars recently formed from the nebular material and their stellar "wind" has cleared a hole in the nebula's center, insulated by a layer of dust and hot gas. Ultraviolet light from the hot cluster stars causes the surrounding nebula to glow. |
| Photo copyright G. Greaney |
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| rosette.jpg | 497 x 394 pixels, 40 Kb |