The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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Astronauts get taller when they are in space.
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It would take more than 150 years to drive a car to the sun.
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It 'snows' metal on Venus.
13
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
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A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
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