Question

Why is the sky blue?

Answer 1

There is a mixture of 7 colours of light in the sky. Since our earth has an atmosphere, atmospheric refraction occurs and most of the red light is scattered and mostly blue light is left which reaches our eyes. Thus the sky looks blue. Hope it helped.

Answer 2

Answer:A clear cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light. When we look towards the sun at sunset, we see red and orange colours because the bluelight has been scattered out and away from the line of sight

Explanation: