There are more nerve cells in the human brain than there are stars in the Milky Way.
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Earth is the only planet in our solar system that's not named after a god or goddess.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
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An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
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