This shock wave compresses the material it passes through and is the only place where many elements such as zinc, silver, tin, gold, mercury, lead and uranium are produced. Over several months the gases cool and fade in brightness and join the debris of interstellar space.
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Together, shock-wave nucleosynthesis and hydrostatic-burning processes create most of the isotopes of the elements carbon (Z = 6), oxygen (Z = 8), and elements ...
Mar 8, 2017 · The heaviest elements, like iron, however, are only formed in the massive stars which end their lives in supernova explosions. Still other ...
Supernovae are considered one of the original sources of the elements heavier than iron in the Universe. Even the iron in your blood can be traced back to ...
The energy and neutrons released in a supernova explosion enable elements heavier than iron, such as Au (gold) and U (Uranium) to form and be expelled into ...
... supernova remnant. Supernovae are a major source of elements in the interstellar medium from oxygen to rubidium. The expanding shock waves of supernovae can ...
Dec 2, 2020 · This finding also challenges ideas behind how some of the Earth's heavy elements are made. In particular, it upends a theory explaining the ...
Mar 26, 2020 · In additional levels further out, lighter elements fuse - oxygen, carbon, helium, and hydrogen. The iron core is very compact and cannot induce ...
The other 25% was converted into helium and very small amounts of deuterium (heavy hydrogen), helium-3 (a lighter form of the element), lithium, and beryllium.