The sky turns red at sunset because the sunlight has to travel through more air. When the sun is high up, the blue light goes straight to us. But when it’s low on the horizon, like during a sunset, the light has to go through a lot of air. The blue light gets scattered away, and the red and orange light stays. That's why we see red skies at sunset.
Examples
- Imagine looking through a thick curtain, only the brightest colors come through.
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See also
- What is sunset?
- Why Is The Sky Blue During The Day And Red At Sunset?
- Beautiful Science - Why does the sky change color at sunset?
- What is Sunrises and sunsets are like a paint party in the sky?
- How Does Colour of the Sun at Sunrise and Sunset Work?