The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of star stuff.--Carl Sagan Almost all ...
Neutron capture in iron nuclei occurs in high-energy environments such as supernovae. Neutron capture results in the conversion of a neutron into a proton, an electron, and an antineutrino. This ...
A: The lightest elements in the universe — hydrogen, helium, and a little lithium — were born shortly after the Big Bang. The heavier elements, up to iron, were forged later, in the hearts of stars ...
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