Re: Langevin and Doppler effects...

On Thu, 5 Sep 2024 21:45:22 +0000, Richard Hachel wrote:

We just have to not be afraid, and have a playful spirit.

There is no contradiction.
Terrance receives the exact number of beeps that Stella has transmitted.
Stella receives the exact number of beeps that Terrance has transmitted.
This is TRIVIAL to demonstrate using a spacetime diagram.
No matter what path through spacetime Stella follows, this must be true.
Don't bother with my table. Just LOOK at my Figure 4-4.
https://en.wikipedia.org/wiki/Special_relativity#Twin_paradox