Why is the Sky Blue? A Quick Science Explainer

Ever looked up and wondered why is the sky blue and not, say,

green or purple? Sunlight may look white, but it’s actually made of all

the colors of the rainbow mixed together. When sunlight enters Earth’s atmosphere,

it hits tiny air molecules. Blue light has shorter waves meaning it bounces around

more when it hits air particles. So as you look up, all those scattered

blue rays come from every direction painting the sky its signature color. At sunset,

light travels farther through the air, scattering blue away and letting warm colors like orange

and red take over. So next time you catch a blue sky or