Eli5: how do heavy elements form?

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I get they need more energy than a “regular” star can provide, up to iron. That two stars colliding can provide the energy. And more neutrons in the nucleus offset the protons repelling each other.

No s-capture or whatever language please, I’m looking for small words & drawings w/ crayons.

How do heavy elements form beyond iron, why is it so hard to make the packing of protons/neutrons so hard? What role do electrons play, aside from the negative charge for protons (if any)?

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Anonymous 0 Comments

Fusion of elements heavier than lead consumes energy, but stars are producing a lot of energy from fusing lighter elements so there’s ample energy to create heavier elements until the lighter elements start running out.

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