Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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More than a dozen men have stood on the surface of the moon, but only three have been to Challenger Deep in the Marianas Trench, the deepest known spot in the ocean.
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In 1992, 29,000 rubber ducks washed off a ship. They were found thousands of miles away 8 years later.
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NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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Water is actually naturally blue.
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There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
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