File:Evolved star fusion shells.svg

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Description This diagram shows a simplified (not to scale) cross-section of a massive, evolved star (with a mass greater than eight times the Sun.) Where the pressure and temperature permit, concentric shells of Hydrogen (H), Helium (He), Carbon (C), Neon/Magnesium (Ne), Oxygen (O) and Silicon (Si) plasma are burning inside the star. The resulting fusion by-products rain down upon the next lower layer, building up the shell below. As a result of Silicon fusion, an inert core of Iron (Fe) plasma is steadily building up at the center. Once this core reaches the Chandrasekhar mass, the iron can no longer sustain its own mass and it undergoes a collapse. This can result in a supernova explosion.
Date (UTC)
Source R. J. Hall
Author User:Rursus
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Date/TimeThumbnailDimensionsUserComment
current18:17, 10 May 2020Thumbnail for version as of 18:17, 10 May 2020550 × 550 (13 KB)Andel (talk | contribs)Reverted to version as of 05:14, 13 April 2011 (UTC); Newer version broke rendering
01:51, 10 May 2020Thumbnail for version as of 01:51, 10 May 2020512 × 512 (7 KB)TSamuel (talk | contribs)Better compression
05:14, 13 April 2011Thumbnail for version as of 05:14, 13 April 2011550 × 550 (13 KB)Trex2001 (talk | contribs)minor fixes
10:23, 12 April 2011Thumbnail for version as of 10:23, 12 April 2011550 × 550 (13 KB)Trex2001 (talk | contribs)color corrections
11:42, 15 August 2007Thumbnail for version as of 11:42, 15 August 2007550 × 550 (23 KB)Rursus (talk | contribs){{Information |Description=This diagram shows a simplified cross-section of a massive, evolved star (with a mass greater than eight times the Sun.) Where the pressure and temperature permit, concentric shells of Hydrogen (H), Helium (He), Carbon (C), Neon

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