Why is the sky red during sunrise and sunset?

Why is the sky red during sunrise and sunset?

The sky appears red during sunrise and sunset because the Sun is low on the horizon, and its light has to pass through more of the Earth's atmosphere. Shorter blue and violet wavelengths scatter away, while longer red and orange wavelengths reach our eyes, making the sky look reddish.

Why It Matters

This fact belongs to the general category and contributes to expanding general knowledge. Understanding such facts not only makes you smarter but also helps connect ideas across different fields.

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