So if they traveled in a gigantic circle, couldn't they travel at the same speed and same direction? Why does it only hold true if youre traveling in a straight line. I guess all the explanations explain why, but I don't intuitively get it. Travelling say 100 light years in a straight line...
Thanks for all of these replies! And GHWells thanks for taking all of that time to write your response. I have to reread yours again but I wanted to ask a question based on the reference Nugatory provided. I read the reference, and am not sure if I have this right.
This is what I think I...
Hi,
In the often cited example of a person in a rocket traveling past Earth at high speed - I think I understand that both the person on Earth and on the rocket could view the other as being the party that's actually moving. And so if they could view the other party, they would both see the...