The Moon Is Not Hollow, but It's Not.

The moon is not hollow, but it does have massive structures going down forty, 50 miles under the surface that we see. Remember how the apollos mission set up a little science experiment called the alcep package? And in each of those packages they had what was called a sizmometer to measure moon quakes. The moon quakes last for hours, particularly when they would smash into the moon rocket stages. They would use those energy events to try to map the interior. So you get, they know the crust of the mantle and the core, and an interior idea what the moon is like. But can this explain why it rang like a bell? Oh, yel

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