How have we not built nuclear powered rockets for space travel?

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Why can’t we build nuclear powered rockets in order to reach the moon or mars and the beyond?

We have nuclear powered subs, aircraft carriers etc.

I read the US tried in the early years of the Cold War but cancelled the program.

What gives?

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7 Answers

Anonymous 0 Comments

Largely, it’s political considerations.

We can’t even get the political will to build nuclear power plants in the US right now for a variety of reasons, chief among them being people being scared of nuclear power and picturing Chernobyl every time they hear the word “Nuclear”. Now try telling everyone you’re putting a nuclear reactor on a rocket – Imagine the headlines and the people panicking!

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