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An '''evaporating gas globule''' or '''EGG'' is a region of hydrogen gas in outer space approximately 100 [[astronomical units]] in size, such that gases behind it are shielded from ionizing [[UV rays]].<ref name="wolf">{{cite web |url=http://scienceworld.wolfram.com/astronomy/EvaporatingGasGlobule.html |title=Evaporating Gas Globule |author=Eric W. Weisstein |date=1996-2007 |work=Eric Weisstein's World of Astronomy |publisher=Wolfram Research |accessdate=14 June 2012}}</ref> Dense areas of gas shielded by an evaporating gas globule can be conducive to the birth of stars.<ref name="wolf" /> Evaporating gas globules were first conclusively identified via photographs taken by the [[Hubble Space Telescope]] in 1995.<ref name="wolf" />
An '''evaporating gas globule''' or '''EGG'' is a region of hydrogen gas in outer space approximately 100 [[astronomical units]] in size, such that gases behind it are shielded from ionizing [[UV rays]].<ref name="wolf">{{cite web |url=http://scienceworld.wolfram.com/astronomy/EvaporatingGasGlobule.html |title=Evaporating Gas Globule |author=Eric W. Weisstein |date=1996-2007 |work=Eric Weisstein's World of Astronomy |publisher=Wolfram Research |accessdate=14 June 2012}}</ref> Dense areas of gas shielded by an evaporating gas globule can be conducive to the birth of stars.<ref name="wolf" /> Evaporating gas globules were first conclusively identified via photographs taken by the [[Hubble Space Telescope]] in 1995.<ref name="wolf" />
[[File:Eagle nebula pillars.jpg|thumb|left|The "[[Pillars of Creation]]", in the [[Eagle Nebula]] contain EGGs, leading to the formation of incubating stars.<ref>http://www.space.com/3533-sun-baby-twin-spotted.html</ref>]]
[[File:Eagle nebula pillars.jpg|thumb|left|The "[[Pillars of Creation]]", in the [[Eagle Nebula]] contain EGGs, leading to the formation of incubating stars.<ref>http://www.space.com/3533-sun-baby-twin-spotted.html</ref>]]

==References==
==References==
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{{Reflist}}

Revision as of 17:48, 14 June 2012

Knots or globules of denser gas in SN 1006.

An evaporating gas globule' or EGG is a region of hydrogen gas in outer space approximately 100 astronomical units in size, such that gases behind it are shielded from ionizing UV rays.[1] Dense areas of gas shielded by an evaporating gas globule can be conducive to the birth of stars.[1] Evaporating gas globules were first conclusively identified via photographs taken by the Hubble Space Telescope in 1995.[1]

The "Pillars of Creation", in the Eagle Nebula contain EGGs, leading to the formation of incubating stars.[2]

References

  1. ^ a b c Eric W. Weisstein (1996–2007). "Evaporating Gas Globule". Eric Weisstein's World of Astronomy. Wolfram Research. Retrieved 14 June 2012.{{cite web}}: CS1 maint: date format (link)
  2. ^ http://www.space.com/3533-sun-baby-twin-spotted.html