Lena@gregtech.eu to Science Memes@mander.xyzEnglish · 4 天前Dopplergregtech.euimagemessage-square56fedilinkarrow-up11.25Karrow-down113
arrow-up11.24Karrow-down1imageDopplergregtech.euLena@gregtech.eu to Science Memes@mander.xyzEnglish · 4 天前message-square56fedilink
minus-squareSpeiser0@feddit.orglinkfedilinkEnglisharrow-up7·4 天前But why is the car stretched? And why doesn’t it appear rotated?
minus-squareHazel『They/Them』@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up10·4 天前It’s how Doppler works. I don’t understand it enough to actually explain but Wiki does a pretty good job.
minus-squarenialv7@lemmy.worldlinkfedilinkEnglisharrow-up5·3 天前The poster you are replying to is pointing out the inaccuracies that this comic didn’t consider relativistic effects.
minus-squareSpeiser0@feddit.orglinkfedilinkEnglisharrow-up1·3 天前(Relativistic doppler effect) But does it affect the object that is emitting the wave?
minus-squareSpeiser0@feddit.orglinkfedilinkEnglisharrow-up3·3 天前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.
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.