how are “nuclear powered” submarines and space probes powered?

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In other words, where do “nuclear powered” vehicles get their power from?

I imagine it’s not from fusion or fission, nor can it involve getting water to turn to steam, an in many other types of power generation.

So how does it work?

EDIT: it seems that nuclear submarines actually do use fission, so I’m switching my question to only focus on space vehicle power generation.

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Anonymous 0 Comments

They are powered by small nuclear fission reactors. That’s why they’re called nuclear powered submarines. It’s exactly what it says on the label.

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