More than 20 million meteoroids enter Earth's atmosphere every day.
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
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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.
8
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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Pluto is smaller than Russia.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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