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The Deepest Ocean Options
Daemon
Posted: Wednesday, November 25, 2015 12:00:00 AM
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The Deepest Ocean

In 1951, the British Royal Navy ship HMS Challenger II surveyed the Challenger Deep trench of the Pacific Ocean, located between Indonesia and Japan, establishing it as the deepest known point of any ocean on Earth. Less than a decade later, a US Navy deep-sea diving submersible descended to the trench floor. There, the crew observed small sole and flounder and noted that the floor consisted of diatomaceous ooze. What is the maximum depth surveyed at the Challenger Deep? More...
Sayyed Hassan
Posted: Wednesday, November 25, 2015 9:13:07 AM

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The Mariana Trench or Marianas Trench[1] is the deepest part of the world's oceans. It is located in the western Pacific Ocean, to the east of the Mariana Islands. The trench is about 2,550 kilometres (1,580 mi) long but has an average width of only 69 kilometres (43 mi). It reaches a maximum-known depth of 10,994 m (± 40 m) or 6.831 mi (36,070 ± 131 ft) at the Challenger Deep, a small slot-shaped valley in its floor, at its southern end,[2] although some unrepeated measurements place the deepest portion at 11.03 kilometres (6.85 mi).[3]

At the bottom of the trench the water column above exerts a pressure of 1,086 bars (15,750 psi), over 1000 times the standard atmospheric pressure at sea level. At this pressure, the density of water is increased by 4.96%, making 95 litres of water under the pressure of the Challenger Deep contain the same mass as 100 litres at the surface. The temperature at the bottom is 1 to 4 °C.[
thar
Posted: Wednesday, November 25, 2015 10:40:58 AM

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johnfl
Posted: Wednesday, November 25, 2015 10:25:16 PM

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looks like the start of something big!" Beautiful as it may be" Looks good to thee..
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