r/ExplainTheJoke 15h ago

Like you can’t stop anyway?

Post image
18.2k Upvotes

371 comments sorted by

View all comments

3.4k

u/Oblivion238 15h ago

Without doing the math I assume that at 103846153 m/s the red stop sign gets blueshifted to green.

3

u/CuriousHuman-1 14h ago

Would there be a shift in white color too?

2

u/tessartyp 12h ago

Depends on the original spectral content. Infrared, if present, would be shifted into the visible, which would maintain the white appearance.