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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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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NASA invented baby food as we know it today.
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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 last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
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