How did the Earth Get Here?

Making the Periodic Table of Elements via Stellar Evolution

The Relative Abundances of the elements reflects these fusion reactions.

To get beyond iron requires Supernova and neutron capture:

Neutron Capture: Two processes:

  • In the solar system (meteorites) most heavy elements are proton-rich indicating S-processed elements, but some R-processing occurred which is of very important consequence to the earth.

    But R-processing produced a small bit of Uranium which is extremely important.

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