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That’s not really true. First, if you can invent time travel you can probably do the math to calculate positions of objects. Second, even if you do need a beacon, you could use something that already exists. For example, radio waves. Earth has been shooting off radio waves for a fair amount of time now. That could be used as a beacon. Also, you could do something like having your time machine do small jumps, check it’s relative position, then adjust. This would solve just about every issue.

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Daft_ish@lemmy.dbzer0.com ⁨1⁩ ⁨week⁩ ago
So you have know idea how time travel works but youre certain that traveling through time will be simple heliocentric theory and radio waves can be used as a beacon?

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- Cethin@lemmy.zip ⁨1⁩ ⁨week⁩ ago
  I know exactly how time travail would work; forward only. Backwards time travel isn’t happening. In the imaginary world where it does work though I don’t see how radio waves wouldn’t work. I don’t know what heliocentric math has to do with it. You can tell where they’re coming from no matter where you are in the universe, not just around the sun. Then you adjust to that position and you’re done.
  
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  - Daft_ish@lemmy.dbzer0.com ⁨1⁩ ⁨week⁩ ago
    Bro, this shit made me ill.
    
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