In 1859, the largest known geomagnetic storm struck the Caribbean, causing an aurora and telegraphs could even operate without a power source.
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Pluto is smaller than Russia.
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If two pieces of metal touch in space, they become permanently stuck together.
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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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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
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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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