Book 22, Question 64
What Invisible Rays Does the Sun Send Us?
Sunlight is more than the light we can see. It also carries invisible rays. Some feel warm, and some can hurt! UV light can pass through clouds, so you can burn on a cloudy day.
Book 22, Question 64
Sunlight is more than the light we can see. It also carries invisible rays. Some feel warm, and some can hurt! UV light can pass through clouds, so you can burn on a cloudy day.