Time Travel, where you do land ?

Minusorange

Minusorange

Minusorange

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If time travel were possible and time is relative

If you went back in time do you go back in time to the spot where you were in the future when you started to go back in time

Or do you go to a new spot relative to the Earths spin in reverse by however many years you have gone back ?

Would the same apply to any point in space or only objects influenced by mavity ?

For instance if I went half way between the Earth and Moon and went back in time 1billion years, I could still be in the same point in space but the Earth and Moon will be in a different location to where it was before I went back in time because of their orbits around the sun and the solar systems orbit around the galaxy

Or would I always be half way between the Earth and Moon ?

What happens if you go back before the Earth or Solar system even existed ?

I think logically your point in space would stay in the same, but everything else would be at a completely different point in space depending on rate of orbit/spin, if you could reference your point in space
 
Pawnless Endgame said:
Similar thread was posted 2 weeks ago :)

https://forums.overclockers.co.uk/threads/if-you-could-travel-back-in-time.18842548/
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Maybe time travel has just been released to a select few alpha testers, and now the questions are starting up :p

The OP seems to be asking if he's safe to time travel back to geographical coordinates x by x as plotted today without ending up in the middle of outer space. I'd consult the manual or phone your time travel provider, they've probably anticipated questions on this subject and I'm sure this'd be the first concern they'd want to address :D

I'd think solid mathematics would be in built to the system to translate coordinates today in to the coordinates they were at your desired time entry point.

What would also be interesting is to ensure there's a 'no clipping' mode, so you don't spawn in the middle of another person or whatever. Perhaps time jumps should be at altitude with a parachute provided - a practical enough solution. Still might end up time jumping into the middle of a spitfire or pterodactyl, but the odds might be acceptable. Time jumping in to the future will have to be mapped - don't want to end up fused into a future floating city. We'll see ey ;)
 
Tephnos said:
Going back in time would involve reversing entropy.

Good luck with that.
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Unless you use the Timeline/David Deutch many universes model.

In which case you are not traveling in time as such, rather to a parallel universe that is almost identical to ours but where its timeline is running earlier or later than ours.
 
Minusorange said:
If time travel were possible and time is relative

If you went back in time do you go back in time to the spot where you were in the future when you started to go back in time

Or do you go to a new spot relative to the Earths spin in reverse by however many years you have gone back ?

Would the same apply to any point in space or only objects influenced by mavity ?

For instance if I went half way between the Earth and Moon and went back in time 1billion years, I could still be in the same point in space but the Earth and Moon will be in a different location to where it was before I went back in time because of their orbits around the sun and the solar systems orbit around the galaxy

Or would I always be half way between the Earth and Moon ?

What happens if you go back before the Earth or Solar system even existed ?

I think logically your point in space would stay in the same, but everything else would be at a completely different point in space depending on rate of orbit/spin, if you could reference your point in space
Click to expand...

So what you are suggesting is if I sent the misses back in time 5 minutes fifty times I would end up with 51 of her :eek:
 
to time travel you would need to rewind the entire universe and everything else beyond it so you would rewind with it and you would be wherever you was at the time you went back to, then you would get us all stuck in a never ending loop of you inventing time travel and going back
 
Minusorange said:
If time travel were possible and time is relative
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The TARDIS is clever. If you tell it to go between the earth and the moon, it would go there*
If you then told it to skip forward 150 billion years, you would end up 150 billion years in the future in the same location*

*this is assuming the TARDIS is actually controllable. What would probably happen is that you'd tell it to go to Croydon and end up in Aberdeen.
 
Feek said:
The TARDIS is clever. If you tell it to go between the earth and the moon, it would go there*
If you then told it to skip forward 150 billion years, you would end up 150 billion years in the future in the same location*

*this is assuming the TARDIS is actually controllable. What would probably happen is that you'd tell it to go to Croydon and end up in Aberdeen.
Click to expand...

The Tardis can fly though and also has its own intelligence so it's reasonable to assume that it can move through time as well as fixed points in space equally

Say we invent a wrist device that ports us back in time though, would it have the same ability to put us in the same relative geographical space, or would we put back in the specific point of space we decided to time travel from

It seems to be a question few ever ask when it comes to time travel and most don't consider that everything in space is constantly moving

Even if I went back in time by a day, the Earth have changed position by 1.5million miles :eek:
 
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