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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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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If NASA sent birds into space they would soon die; they need gravity to swallow.
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The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
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If two pieces of metal touch in space, they become permanently stuck together.
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The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
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Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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