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.
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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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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
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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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NASA invented baby food as we know it today.
7