this post was submitted on 24 Aug 2024
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Science Memes

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cross-posted from: https://lemmy.ml/post/19504984

It's all relative

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[โ€“] noodles@sh.itjust.works 20 points 1 year ago* (last edited 1 year ago) (8 children)

OK I need someone to explain this to me cause AFAIK light speed is constant no matter how fast moving the source is

[โ€“] gnutrino@programming.dev 52 points 1 year ago (1 children)

Light speed is constant but the apparent frequency and wavelength (which roughly corresponds to what colour we see) change due to the Doppler effect

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