Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
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There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
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The North Atlantic gets 2.5 centimetres (1in) wider every year.
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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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If Antarctica's ice sheets melted, the worlds oceans would rise by 60 to 65 metres (200 - 210ft) - everywhere
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Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
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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