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(Science Alert (Australia))   NASA astronomer explains how every single atom in our bodies came from a star in the moment before its violent death. And that's a pretty damned beautiful thing: "We are dead stars looking back up at the sky"   (sciencealert.com.au) divider line 4
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1160 clicks; posted to Video » on 15 May 2014 at 10:09 AM (50 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2014-05-15 11:36:09 PM  
1 votes:
The carbon in our bodies does not come from dying stars - sorry, Carl Sagan and whoever this AW is.  Stars have the luxury of inefficiency, and operate on a multi-stage fusion cycle in which carbon is a catalyst.  It is necessary, but the amount of carbon required is equal to the amount of carbon produced. Humans have to settle for the lowest-hanging fruit, which is the dirty Deuterium-Tritium fusion reaction.

Everything post-Fe26 and much before that, can safely be said to be the product of gravitational collapse promoting less-efficient exothermic fusion or even endothermic fusion.  But not carbon.
2014-05-15 05:30:32 PM  
1 votes:
NASA astronomer Caring priest explains how every single atom in our bodies person came from a star just and loving god in the moment before its violent death he bestoweth his love upon us. And that's a pretty damned blessed beautiful thing: "We are dead stars made in his image, looking back up at the sky heaven"
2014-05-15 10:41:29 AM  
1 votes:
i1207.photobucket.com
2014-05-15 10:16:27 AM  
1 votes:
the-dame.com
 
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