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whαt αrє thє fαcts вєhínd mαrínα trєnch.
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Mariana Trench, also called Marianas Trench is a trench located in the western Pacific Ocean, at the deepest point in all of the oceans of the world. The trench is approximately 1580 miles in length and only approximately 43 miles wide on average. Although it's the deepest point in the world's oceans, Mariana Trench is not the part of the ocean floor closest to the earth's core, a result of the earth not being a perfect sphere. Mariana Trench was named after the Mariana Islands, which were named after Queen Mariana of Austria.
- Mariana Trench is crescent shaped, or semi-circular.
- The deepest spot of Mariana Trench is called the Challenger Deep.
- Mariana Trench was formed by the shifting of the earth crusts that form the floor of the ocean.
- Challenger Deep is named after HMS Challenger II. His was a vessel used to explore and measure Mariana Trench.
- Mariana Trench's temperature is so low, ranging from 34°F to 39°F, that it is considered to be one the world's coldest places.
- The pressure at Mariana Trench is 1000 times that of the sea level's atmospheric pressure
- In 1995 a Japanese probe measured the Challenger Deep at more than 35,790 feet.
- Part of the reason that Mariana Trench is as deep as it is, is because it is free of nearby sediment-depositing rivers.
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