this post was submitted on 15 Feb 2025
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But why is the car stretched? And why doesn't it appear rotated?
It's how Doppler works.
I don't understand it enough to actually explain but Wiki does a pretty good job.
The poster you are replying to is pointing out the inaccuracies that this comic didn't consider relativistic effects.
(Relativistic doppler effect)
But does it affect the object that is emitting the wave?
How would you rotate it?
If you look at an object that is moving near the speed of light, it appears rotated, see https://en.wikipedia.org/wiki/Terrell_rotation.