Speed vs. time for our Galaxy and an Observer

[zuz]

Lets just say for the sake of argument that the earth, sun, solar system, galaxy were all moving due north at 1,000,000 miles an hour. If you were to travel due south at 1,000,000 mph you would basically be not moving at all. How would this affect time for you or anyone observing you?

 

[phinds]

Lets just say for the sake of argument that the earth, sun, solar system, galaxy were all moving due north at 1,000,000 miles an hour. If you were to travel due south at 1,000,000 mph you would basically be not moving at all. How would this affect time for you or anyone observing you?

Yes, there is a frame of reference such that if the solar system were moving at N mph in one direction and you were moving at N mph in the opposite direction IN THE SOLAR SYSTEM'S FRAME OF REFERENCE you would be stationary in the first FOR. So what? That's how motion works.

EDIT: If you mean that the solar system and you are moving in the SAME frame of reference then your statement that you would not be moving makes no sense, as that is NOT how motion works.

 

[kuruman]

That's how motion works.

There is also this (tongue-in-cheek) theorem

Theorem
The center of mass of the Universe is at absolute rest.
Proof (reductio ad absurdum)
If it moved, where would it go?"

 

[Ibix]

Lets just say for the sake of argument that the earth, sun, solar system, galaxy were all moving due north at 1,000,000 miles an hour.

You're just picking an arbitrary frame of reference here, but ok.

If you were to travel due south at 1,000,000 mph you would basically be not moving at all.

No, you'd be stationary in the frame of reference you chose arbitrarily earlier. In all other frames you're moving.

How would this affect time for you or anyone observing you?

Just the same as always. Your clocks look normal to you and everyone else's (well, those in motion relative to you) tick slow. Everyone else says their clocks look normal and yours tick slow. It's symmetric. No, that's not a contradiction.