The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Sound doesn't travel in space.
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41% of the moon is not visible from earth at any time.
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A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
Only 55% of Americans know that the sun is a star.
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