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Well all natural elements (leaving out the man made ones) come from solar nuclear reactors.

The sun is still mostly hydrogen and helium, with some carbon and iron, possibly less quantities of the heavier elements.

It's not big enough or hot enough to produce more of the heavier elements, which come from much larger and hotter stars or supernovae.

Those probably came from the planetary nebula from a previous stellar explosion which coalesced into our planet and us.

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