Color is a social construct
Well, the names for different parts of the color spectrum are, I suppose. Wavelength of EM radiation, and how your brain interprets it as color, is ‘real’.
This technically goes down a very interesting line of thought that Vsauce covered once.
OK I need someone to explain this to me cause AFAIK light speed is constant no matter how fast moving the source is
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 you’re walking away from it. The Doppler effect is that but with light waves and velocities that make it relevant
Adding to the other comments; I once saw a interesting video of a visual demonstration of that effect and other weird things that happen close to the speed of light. It was this one if i remember correctly: https://www.youtube.com/watch?v=ge_j31Yx_yk
How fast would the rose have to be going to blueshift that much? Someone please do the math
Impossibly fast and it would have to be coming right at us.
Speed chills
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Speed kills, coming down the mountain
Speed kills, coming down the street
Speed kills with presence of mind
Speed kills, if you know what I mean
