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re: If you are going to travel through time, you also have to travel through space

Posted on 5/12/25 at 8:30 am to
Posted by Master of Sinanju
Member since Feb 2012
11641 posts
Posted on 5/12/25 at 8:30 am to
Any time machine worth it's salt would take that into account.
Posted by DarthRebel
Tier Five is Alive
Member since Feb 2013
23193 posts
Posted on 5/12/25 at 8:36 am to
Who did not know this?

quote:

figure out where the frick the Earth was 39 years ago


That is easy

quote:

And you have to somehow get there at the exact location where you are now.


That is almost impossible. The probability of reforming within a solid object is extremely high. You have to get X,Y and Z axis perfect.

In theory the simplest solution is to do it off world and then land back on the planet. You just have to know location of planet, which we actually can calculate.
Posted by Hester Carries
Member since Sep 2012
24169 posts
Posted on 5/12/25 at 8:40 am to
quote:

If you travel at the speed of light,


Its not actually "the speed of light". Its truly just "the speed of massless objects" and photons are the only ones we know of.

You have mass. you cannot travel at the "speed of light"
Posted by SantaFe
Baton Rouge
Member since Apr 2019
7176 posts
Posted on 5/12/25 at 8:41 am to
Well this is what happened to A. Hitler but in reverse. During April 1945 he and others used Die Glocke to travel foward in time . Due to miscalculations Hitler and his group wound up in Kecksburg Pennsylvania on December 12,1965, and not Berlin.
Posted by CocomoLSU
Inside your dome.
Member since Feb 2004
153767 posts
Posted on 5/12/25 at 8:43 am to
quote:

But here is the thing, you are standing on the planet Earth which was not ‘here’ in 1986. It was somewhere way before we got here. So not only do you have to figure out how to get back in time, you have to figure out where the frick the Earth was 39 years ago. And you have to somehow get there at the exact location where you are now.

Say we could travel back in time 1 second: Without moving we would probably be in space somewhere.

Maybe the gravitational pull of Earth is so strong that it will "pull" you along with it when you travel backward/forward through time, so that you still end up on Earth when you get to your destination. Could that be possible?

I have no idea if that even makes sense, but it just jumped into my brain and I wanted to ask it.
Posted by Hester Carries
Member since Sep 2012
24169 posts
Posted on 5/12/25 at 8:45 am to
quote:

The earth travels 18.5 miles per second on its orbital path around the sun. If you went back 1 second without moving you’d be that far away.

I guess if you got technical, given the spherical shape of the earth, you would find yourself up in the air and probably instantly fall to your death or at least critically injure yourself.


This is to assume that the mechanisms of this time travel are different than literally everything we do and we dont maintain the velocity we had at the time we pushed the button. Which if thats the case imagine you did the entire calculation correctly and dropped yourself, completely fixed in space apparently, on to the careening Earth. Youd be pulverized lol
This post was edited on 5/12/25 at 8:47 am
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