Carl Sagan would have been 80 years old today. When he said - TopicsExpress



          

Carl Sagan would have been 80 years old today. When he said that we are made of star stuff, he wasn’t speaking metaphorically. From our toeses to our noses, the spectrum of elements that make up our bodies have journeyed from the Big Bang to our bodies, with some amazing cosmic evolution taking place along the way. In honor of Carl’s birthday, the folks from ACS Reactions teamed up with writer Sam Kean to explain just what it means to be made of star stuff. #carlsagan
Posted on: Sun, 09 Nov 2014 16:58:44 +0000

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