The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
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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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Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
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The population of the Earth has more than doubled since 1950.
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The earth travels through space at 660,000 miles per hour.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
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The light hitting the earth right now is 30 thousand years old.
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