While Earth is the planet everyone is most familiar with, there are currently well over five thousand known planets.

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Earth is the only known planet capable of sustaining life. It has three oceans, seven continents, fifty seas, one hundred ninety-five countries, fifty-eight million square miles of land, and a population of just over eight billion.

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As the Earth’s only natural satellite, the moon takes 27.3 days to complete its orbit and 29.5 days to complete its waxing and waning cycle.

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