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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In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
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The Earth gets heavier each day by tons, as meteoric dust settles on it.
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Astronauts get taller when they are in space.
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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.
10
The heart of an astronaut actually gets smaller when in outer space.
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The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
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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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