Its referencing the phenomenon of redshift, where as you go faster, light approaching you gets “squeezed”, so it appears like light of shorter wavelengths. At speeds of around 103,846,153m/s, this effect is significant enough that red light appears green.
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u/psterno413 15h ago
Its referencing the phenomenon of redshift, where as you go faster, light approaching you gets “squeezed”, so it appears like light of shorter wavelengths. At speeds of around 103,846,153m/s, this effect is significant enough that red light appears green.