According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
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According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
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A single speck of dust is half way in size between a subatomic particle and the Earth.
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The United States has paved enough roads to circle the Earth over 150 times.
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The light hitting the earth right now is 30 thousand years old.
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It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
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