Stars are made of hydrogen and helium. These were the first atoms in the universe. Every other atom results from the nuclear fusion ...
https://www.youtube.com/watch?v=0CSTrsVTGow&list=RDMM&index=1
Stars are made of hydrogen and helium. These were the first atoms in the universe. Every other atom results from the nuclear fusion ...
https://www.youtube.com/watch?v=0CSTrsVTGow&list=RDMM&index=1
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