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A comment on US urged to reveal UFO evidence after claim that it has intact alien vehicles. Parent comment

Re:US urged to reveal UFO evidence after claim that it has i... by jay_kyburz on Thursday June 08, 2023 @03:11AM (#36238338)
My point was that you don't need to go fast if you have plenty of time. You just need to get out of gravity which we can do.
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Re:US urged to reveal UFO evidence after claim that it has i... by hermitcrab on Thursday June 08, 2023 @05:59PM (#36249799)
Going slowly has it's own issues. If it takes you 100,000 years to cross the space between 2 stars, you are going to need a lot of energy/food to keep your crew/robots/computers going - because there isn't going to be much solar energy available. Also is any civilization going to invest the effort to create a probe/mission that they are not going to hear back from over that sort of time-scale?
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