Why Is the Sky Blue?

The reason that our daytime sky is blue is because those gases bounce the blue light down to our eyeballs. Can we use this to figure out what the atmospheres of other planets are made of, just by looking at the color that we see when we shine a telescope at them? We do exactly that. When exoplanets pass in front of their stars, the light goes through their atmosphere. It's a great way to understand what's in those exoplanet atmospheres. If you look up in the night sky and you're seeing a red dot, that's probably Mars. And Mars is definitely red. The James Webb Space Telescope images are false color. But if your eyeballs