Question

Why does the sky appear blue?​

Answer 1

Answer:

The Short Answer: Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.

Explanation:

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Answer 2

Answer:

Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered more than the other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.

extra information or fun fact

It takes hundreds, thousands and sometimes millions of years for the light from distant stars to reach us.