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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Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
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The moon is actually moving away from Earth at a rate of 1.5 inches per year.
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The population of the Earth has more than doubled since 1950.
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The heart of an astronaut actually gets smaller when in outer space.
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Only 55% of Americans know that the sun is a star.
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The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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