In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
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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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According to a 2011 poll, 32% of Russians believe that the Sun orbits Earth.
11
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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The earth is approx. 6,588,000,000,000,000,000 tons.
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The Earth sees about 760 thunderstorms every hour, scientists have calculated.
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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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