
Why is the sky blue and why is the sunset red and orange?
When I was a kid I heard that the sky was blue because it was the reflection off the ocean. The light from the Sun, which appears white, is actually made up of all colors of the rainbow, when the light enters the atmosphere the colors can become separated (Imagine looking at light through a prism). We know that bluer light travels in short, tight waves while redder light travels in longer waves. The shorter the wavelength, the more likely the light is to bounce off of an ai