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Dmgfh t1_j23olzp wrote

Reply to comment by doctorcrimson in What if we kept pursuing nuclear spacecraft propulsion? by rosTopicEchoChamber

The hydrogen being pumped around it probably doubles as coolant

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doctorcrimson t1_j2465oo wrote

That checks out if there's enough space between the wall and the bulb where it is being heated to the point of becoming rocket propellant, I think this would actually work pretty well for larger rockets and cargo rockets as was stated.

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