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A comment on First Ever Image of a Multi-Planet System Around a Sun-Like Star Captured by ESO. Parent comment

Re:First Ever Image of a Multi-Planet System Around a Sun-Li... by macintux on Wednesday July 22, 2020 @05:40PM (#23921916)
I’m not qualified to answer, but there was a bit of discussion about the idea on Reddit:

https://www.reddit.com/r/worldbuilding/comments/57peek/can_y...

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Re:First Ever Image of a Multi-Planet System Around a Sun-Li... by Roboprog on Thursday July 23, 2020 @03:26AM (#23924995)
Interesting.

I don’t think it’s that hard to build a vessel full of warm radioactive pebbles to boil water.

Sorting ore by chemical element, and then making a fluid / gas / solution of the fuel element to sort by isotope mass in a centrifuge may or may not be doable for “blacksmith” level technology, though. Hard to say.

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