this post was submitted on 02 Sep 2023
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Science Memes

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[โ€“] bleachisback@programming.dev 31 points 2 years ago (3 children)

Same spot relative to what? What object do time machines use as a reference for their coordinates? It would make sense to be Earth, so it would be in the same spot all the time.

[โ€“] cosecantphi@hexbear.net 4 points 2 years ago* (last edited 2 years ago)

Earth is a good one if you're only interested in time traveling on your home planet that happens to be Earth. But for a more universal perspective, I suppose the CMBR is the least arbitrary frame among all arbitrary frames

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