B Speed of light during acceleration

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The discussion centers on the behavior of light in an accelerating frame, specifically within a ship where an observer notes that a clock at the nose ticks faster than one at the tail. This phenomenon arises because the accelerating ship overtakes light pulses emitted from the nose, leading to a perceived difference in clock rates due to the Doppler effect. While light always travels at speed c in inertial frames, in non-inertial frames, such as an accelerating ship, the conditions change, allowing for variations in how light is perceived. The conversation also touches on the complexities of defining velocity in non-inertial frames and the implications of Rindler coordinates. Ultimately, the discussion highlights the nuanced relationship between acceleration, light propagation, and the observer's frame of reference.
  • #31
JCMateri said:
I no longer think the last part is correct where I said:
I agree. I think you edited your post - it was shorter when I "like"d it. There are no objects following the lines of constant Rindler time, since those are spacelike. In fact, they are not lines except on the 1+1 dimensional drawing - they are 3d planes in a full 3+1 dimensional case, and are a Rindler observer's notion of "all of space, now" (which goes wrong where they cross at the Rindler horizon).
 

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