The moon is pretty big. But how big, exactly?
22 billion cubic kilometers.
But that number makes no sense.
Let's say we crumbled the moon, and spread it around the earth.
First thing it would do would be completely fill every oceans.
Then it could cover the land. How deep would the entire earth be cover in moon dust?
40 kilometers. 25 miles.
For perspective, the tallest thing made by man is less than 1 kilometer tall, and the highest mountain is less than 9 kilometers tall.
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