How can you trace minerals from supernovas to our teeth and bones? Isn’t the calcium that make up our bones produced during our gestation? How is that connected to a supernova from potentially millions of years ago?
The star explosions spread calcium and other elements into space, which eventually became part of Earth. Plants absorbed this calcium, and we got it by eating plants or animals. Then during our development in the womb, we received calcium through our mother’s diet.
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