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Revision as of 23:01, 28 January 2016 by 217.17.137.178 (talk) (Undid revision 702176947 by Boomer Vial (talk) stop reverting for no reason. there is no possible NPOV issue here. grow up.)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff) | This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Fast Low-Ionization Emission Region" – news · newspapers · books · scholar · JSTOR (January 2007) (Learn how and when to remove this message) |
A Fast Low-Ionization Emission Region, or FLIER, is a volume of gas with low ionization, moving at supersonic speeds, near the symmetry axis of many planetary nebulae. Their outflow speeds are significantly higher than the nebulae in which they are embedded, and their ionizations are much lower. FLIERs' high speeds suggest ages much younger than their parent nebulae, and their low ionizations indicate that the ultraviolet radiation that ionizes the gas around them does not penetrate into the FLIERs. The Blinking Planetary features a set of FLIERs.
References
- Terzian, Yervant"Clearest Images of Mysterious Cosmic Spouts (FLIERS). [Web links]". myeducationresearch.org, The Pierian Press, 17 Dec 1997. Online. Internet. 18 May 1743. Retrieved 30 Nov 2010.
Stub
No current model of stellar or nebular evolution explains FLIERs.
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