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Feb 18, 2019 at 5:13 history edited dmckee --- ex-moderator kitten CC BY-SA 4.0
blue pencil
Feb 15, 2017 at 23:40 comment added ProfRob Yes, it is a more subtle question and varies a lot from element to element I think.
Feb 15, 2017 at 18:34 comment added dmckee --- ex-moderator kitten @Rob, I think we may be answering different question. Your "the Sun is the product of the ∼ billion stars" answers how many stars have contributed mass to what is not the sun (and I'm sure you're right). The question I gave a lower limit to is more along the lines of "What is the average number of stars that a nucleon current in the sun has been in before?" (and I've ignored the deep philosophical difficulty of tracking the identity of a nucleon through nuclear transformations, too, but the OP didn't seem ready for that).
Feb 15, 2017 at 9:30 comment added ProfRob I think this is a vast underestimate because it ignores that mixing takes place in the ISM on timescales that are short compared with the lifetime of the Galaxy. Many, if not most, of the $\sim 10^9$ massive stars that were born billions of years before the Sun in our Galaxy have contributed nuclei to the solar system.
Jan 2, 2014 at 17:13 vote accept Clinton Pierce
Feb 8, 2011 at 20:38 vote accept Clinton Pierce
Jan 2, 2014 at 17:13
Jan 24, 2011 at 18:23 comment added Clinton Pierce This is the track that I was trying to go down, and you and Luboš are starting to shed some light on it.
Jan 24, 2011 at 18:10 history edited dmckee --- ex-moderator kitten CC BY-SA 2.5
edited body; deleted 2 characters in body
Jan 24, 2011 at 18:01 history answered dmckee --- ex-moderator kitten CC BY-SA 2.5