Mars had an oxygen-rich atmosphere around 4 billion years ago
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A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
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Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
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Some asteroids have other asteroids orbiting them.
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All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
Lightning strikes about 6,000 times per minute on this planet!
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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'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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