Could someone explain why this comment was killed dead? From the wiki page: > The natural nuclear reactor formed when a uranium-rich mineral deposit became inu

Could someone explain why this comment was killed dead? From the wiki page: > The natural nuclear reactor formed when a uranium-rich mineral deposit became inundated with groundwater, which could act as a moderator for the neutrons produced by nuclear fission. There would need to be something to moderate it on the moon, if it were a reaction like this, correct? Is there some well known mechanism on the moon? Regardless, the lack of water, for the granite, is actually pointed out in the OP article. So, missing water is an interesting aspect of this: > “Now we need the geologists to figure out how you can produce that kind of feature on the moon without water, without plate tectonics,” Dr. Siegler said.