The sky changes color at sunrise and sunset because the sunlight has to travel through more of the Earth's air. When the sun is low, its light travels a longer path, which makes the blue light scatter away, leaving behind reds and oranges. It’s like when you shine a flashlight through a jar of water, the farther the light goes, the more it changes color.
Examples
- Imagine shining a flashlight through a jar of water, the light changes color as it passes through more layers.
- The sky turns red at sunset because blue light gets scattered away, leaving behind reds and oranges.
- During sunrise, the sky looks orange like a warm glow from a fire.
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