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Did you know:
That 12 men have walked on the moon?
That when they were on the moon, they placed small 12"x12" mirriors aimed back at earth so that we can shoot earth based lasers at the moon and precisely track its position? (LLR - Lunar Laser Ranging)
That in doing this precise position tracking, they realized that the earth - due to its liquid core - experiences "Solid earth tides" that - like the ocean tides - cause the actual solid ground to move up and down (up to a couple inches) due to the moons gravity?
That Christopher Columbus never set foot on America. He discovered Haiti - and died still convinced he had landed on India.
Just random stuff I seem to remember.
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