Most presolar grains were destroyed in the formation of the universe. But some survived on meteorites.
Articles on Nucleosynthesis
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Traces of radioactive iron from the ocean floor, Antartica and the Moon reveal several waves of dust from distant stars over the past 10 million years.
People long assumed all the elements we see now were created during the Big Bang. But on May 2, 1952, an astronomer reported spotting new elements coming from an old star and changed our origin story.
