What determines the skies colours at sunset and sunrise?

The color of the sky at sunrise and sunset is like when light travels through a big glass of juice, it changes color depending on how much it goes through.

At sunrise and sunset, the Sun is low in the sky, so its light has to travel through more of Earth's air than it does at noon. Think of it like walking through a hallway full of friends who each take a little bit of your energy, by the time you get to the end, you're not as bright.

As the light travels through more air, some of the blue and violet colors get scattered away, kind of like when you shake a bottle of fizzy drink and the bubbles float up. What's left is the red, orange, and yellow parts of the light, which make the sky look warm and colorful.

This is why sunrise and sunset feel so special, it’s like the sky is painting with warm colors just for you! The more air the light travels through, the more dramatic the colors get. That’s why on a clear day, the sky can be bright red or orange, but on a cloudy day, it might look softer, like it's wearing a blanket.