Only 55% of Americans know that the sun is a star.
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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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Jupiter's moon Ganymede, is larger than the planet Mercury!
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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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Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
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