  Heterogeneous supernova debris formed the solar system. Cores of inner
planets formed in the central iron rich region. The Sun formed on the collapsed
supernova core. Lighter elements and the lighter isotopes of each element are
enriched at the solar surface. The most abundant nuclide in the Sun is Iron 56,
the decay product of doubly magic Nickel 56. Doubly magic Oxygen 16 is next
most abundant. The least abundant elements, Li, Be, and B, have loosely bound
nucleons. Abundance is linked with nuclear stability, except for an over
abundance of H from neutron emission and neutron decay near the core. The main
elements in the Sun, Fe, Ni, O, Si, S, Mg, and Ca, comprise 99 percent of
meteorites. Neutron emission from the SN core triggers a series of reactions
that produce solar luminosity, solar neutrinos, excess H, and an annual
outpouring of 2.7 E 43 Hydrogen atoms in the solar wind.
