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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An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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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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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
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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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