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A comment on NASA, DARPA Will Test Nuclear Engine for Future Mars Missions. Parent comment

Re:NASA, DARPA Will Test Nuclear Engine for Future Mars Miss... by mr_toad on Wednesday January 25, 2023 @12:49AM (#34514878)
Depending on the nature of the expansion of the universe, that might not be true.

https://en.wikipedia.org/wiki/Cosmological_horizon

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