A New Study of Dead Suns Finds How Life on Earth Might Not Exist Without Them

Carbon. You might not think about it very much, but you wouldn’t be alive without it. It’s the main ingredient in organic compounds found in all living organisms on Earth, but exactly where carbon comes from has been a matter of some debate.

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Tau.Neutrino said:

A New Study of Dead Suns Finds How Life on Earth Might Not Exist Without Them

Carbon. You might not think about it very much, but you wouldn’t be alive without it. It’s the main ingredient in organic compounds found in all living organisms on Earth, but exactly where carbon comes from has been a matter of some debate.

more…

Had a thread on this before.

No significant debate about where carbon comes from. Supernovas are the number one source and mass shedding from massive stars such as Asymptotic Giant Branch AGB stars is the less important source.