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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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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The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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A comet's tail always points away from the sun.
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