The sky is blue because Earth has air, and the air scatters light from the sun. When we look up, all that scattered blue light makes the sky seem blue. But on the moon, there's no air, so there’s no scattering, only blackness. It's like looking at a night sky with no stars or lights around you.
Examples
- Imagine you're sitting under a blue blanket on Earth; that’s your sky. On the moon, it's like being in a dark room with only one light bulb shining at you.
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See also
- How Does a Day on Venus Compare to a Day on Earth?
- What If We Dug a Tunnel Through the Center of the Earth?
- What If Earth Was the Size of a Marble?
- What If We Dug a Hole Through the Center of the Earth?
- What If Earth Were Smaller Than It Is?