Pinwheel nebula
A pinwheel nebula is a nebulous region in the shape of a pinwheel.
Spiral galaxies
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The term 'Pinwheel nebula' is an antiquated misnomer used by observers before Edwin Hubble realized that these spiral shaped nebulae were actually 'island universes'.
Wolf-Rayet nebulae
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Some Wolf-Rayet stars are surrounded by pinwheel nebulae. These nebulae are formed from the dust that is spewed out of a binary star system. The stellar winds of the two stars collide and form two dust lanes that spiral outward with the rotation of the system.
External links
- [1] Some Wolf-Rayet stars in binaries are close enough that we can image a rotating "pinwheel nebula" showing the dust generated by colliding winds in the binary system, from Aperture Masking Interferometry observations.
- Pinwheel Galaxy from ESA/Hubble
| Visible nebula | |
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| Pre-stellar nebula | |
| Stellar nebula | |
| Post-stellar nebula | |
| Clouds | |
| Morphology |
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