Mars had an oxygen-rich atmosphere around 4 billion years ago
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Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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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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A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
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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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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Buzz Aldrin’s mother’s maiden name was Moon.
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