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A comment on There Are Whales Alive Today Who Were Born Before Moby Dick Was Written (2013). Parent comment

Re:There Are Whales Alive Today Who Were Born Before Moby Di... by dragonwriter on Thursday September 06, 2018 @09:33AM (#17926096)
> and all hydrogen goes back to the Big Bang.

No, it doesn't, at least not as hydrogen. Some hydrogen atoms are produced by neutron decay.

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Re:There Are Whales Alive Today Who Were Born Before Moby Di... by danieltillett on Thursday September 06, 2018 @05:02PM (#17929525)
Yes some hydrogen is produced by radioactive decay, but it is minor - "...almost all hydrogen..."
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