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ποΈ πΉ π¨ π¨
(lemmy.ml)
cross-posted from: https://lemmy.ml/post/19504984
It's all relative
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this post was submitted on 24 Aug 2024
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So light is a wave. Shorter wavelengths are bluer longer wavelengths are redder. When you walk towards a wave you hit the peaks and troughs faster than had you been still. They come slower if youβre walking away from it. The Doppler effect is that but with light waves and velocities that make it relevant