There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
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The Caspian Sea is also classed as the world's largest lake.
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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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There was once an undersea post office in the Bahamas.
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There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
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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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The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
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