Wolf–Rayet nebula
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A Wolf–Rayet nebula is a nebula which surrounds a Wolf–Rayet star.[2] A subtype of a WR-nebula is the Pinwheel nebula.
There are different types of WR-nebula, based on their formation mechanism:
- HII regions
- ejecta-type nebulae
- wind-blown bubbles
- neutral hydrogen voids and shells (may be associated with ionized gas)
Examples of this type of nebula include NGC 6888 and NGC 3199.
[edit] Reflist
- ^ "A Sheep in Wolf-Rayet’s Clothing". ESA/Hubble. http://www.spacetelescope.org/images/potw1207a/. Retrieved 17 February 2012.
- ^ http://galaxymap.org/cgi-bin/details.py?id=27333&t=hii&s=4_p63.0xp57.5&name=S80
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