A Wolf-Rayet nebula is a
There are different types of WR-nebula, based on their formation mechanism:
*
* ejecta-type nebulae
* wind-blown bubbles
* neutral hydrogen voids and shells (may be associated with ionized gas)
Examples of this type of nebula include
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Wolf-Rayet star — Wolf Rayet stars (often referred to as WR stars) are evolved, massive stars (over 20 solar masses), which are losing mass rapidly by means of a very strong stellar wind, with speeds up to 2000 km/s. While our own Sun loses approximately 10−14 of… … Wikipedia
Wolf-Rayet — (WR) can mean: * Wolf Rayet star. * Wolf Rayet galaxy, which contains large numbers of WR stars . * Wolf Rayet nebula, which surrounds a Wolf Rayet star … Wikipedia
Wolf–Rayet star — Hubble Space Telescope image of nebula M1 67 around Wolf–Rayet star WR 124 Wolf–Rayet stars (often referred to as WR stars) are evolved, massive stars (over 20 solar masses initially), which are losing mass rapidly by means of a very strong… … Wikipedia
Wolf-Rayet-Stern — Wolf Rayet Sterne, in der Fachliteratur auch WR Sterne abgekürzt, sind die freigelegten Kerne ehemals massereicher Sterne. Sie sind nach den französischen Astronomen Charles Wolf (1827–1918) und Georges Rayet (1839–1906) benannt. Wolf Rayet Stern … Deutsch Wikipedia
Wolf-Rayet-Sterne — Dieser Artikel oder Abschnitt ist nicht hinreichend mit Belegen (Literatur, Webseiten oder Einzelnachweisen) versehen. Die fraglichen Angaben werden daher möglicherweise demnächst gelöscht. Hilf Wikipedia, indem du die Angaben recherchierst und… … Deutsch Wikipedia
nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula … Universalium
Pinwheel nebula — A pinwheel nebula is a nebulous region in the shape of a pinwheel. piral galaxiesThe term Pinwheel nebula is an antiquated misnomer used by observers before Edwin Hubble realized that these spiral shaped nebulae were actually island universes… … Wikipedia
Crescent Nebula — Observation data: J2000.0 epoch Type Emission Righ … Wikipedia
Crab Nebula — Crab Nebula … Wikipedia
Carina Nebula — An image of NGC 3372 taken with an amateur telescope Observation data: J2000.0 epoch Type Emission … Wikipedia
