this post was submitted on 29 Apr 2024
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The Doppler effect is a mysterious wavelength-shifting phenomenon which seems to primarily affect sirens, which is why the ๐Ÿšจ emoji is red.

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[โ€“] stom@lemmy.dbzer0.com 2 points 6 months ago

Could this be because space isn't a true vacuum? There's pockets of gas and crap, which could affect the speed of the light as it travels to us?