What is the green flash? It’s often tied to pirate folklore but also commonly occurs in reality – learn what causes the flash ...

DENVER (KDVR) — When the sun sets, sometimes there are pink and purple colors across the skyline, while other times, the sky stays blue before it fades into nighttime. The sunset won’t always ...

Different colors have different wavelengths of light ... resulting in a blue sky. During a sunset, however, light scattering works differently. The sun’s light has a lot further to travel.