this post was submitted on 15 Feb 2025
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Science Memes

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Doppler (gregtech.eu)
submitted 1 week ago by [email protected] to c/[email protected]
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[–] [email protected] 7 points 1 week ago (2 children)

But why is the car stretched? And why doesn't it appear rotated?

[–] [email protected] 10 points 1 week ago (2 children)

It's how Doppler works.

I don't understand it enough to actually explain but Wiki does a pretty good job.

[–] [email protected] 5 points 6 days ago

The poster you are replying to is pointing out the inaccuracies that this comic didn't consider relativistic effects.

[–] [email protected] 1 points 6 days ago

(Relativistic doppler effect)

But does it affect the object that is emitting the wave?

[–] [email protected] 3 points 1 week ago (1 children)

How would you rotate it?

[–] [email protected] 3 points 6 days ago

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.