Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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Buzz Aldrin’s mother’s maiden name was Moon.
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The heart of an astronaut actually gets smaller when in outer space.
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The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
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Jupiter's moon Ganymede, is larger than the planet Mercury!
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Astronauts get taller when they are in space.
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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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