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APOD
Astronomy Picture of the Day
Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.
The Rosette Nebula
Explanation: Would the Rosette Nebula by any other name look as sweet ? The bland New General Catalog designation of NGC 2237 doesn't appear to diminish the appearance of the this flowery emission nebula . Inside the 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.
| Date | February 14, 1998 |
|---|---|
| Credit | Credit & Copyright: G. Greaney |
| Authors & editors: | Robert Nemiroff (MTU) & Jerry Bonnell (UMCP) |
| A service of: |
ASD at NASA / GSFC, NASA Science Activation & Michigan Tech. U. |