i have a vague understanding of how the inside of the sun works, but i remember from class that when the sun started "making" iron on it's core, it cannot go further; can't make a heavier element. then it explodes. so, if you were to launch a couple of earth masses of iron into the sun, will it explode? and if so, how much do you need?

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    $\begingroup$ you would need a lot more than a couple of earth masses... $\endgroup$ – Jon Custer Jun 20 '18 at 15:26
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    $\begingroup$ The Sun will never make iron in its core. $\endgroup$ – Rob Jeffries Jun 20 '18 at 22:50