Mariana Trench

The Worlds Deepest Ocean Trench
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What's at the bottom of the abyss? Er, not much. First video shows the moonscape found by James Cameron on his record-breaking descent
The United States Navy submarine Trieste. In January 1960, Jacques Piccard and Navy Lieutenant Don Walsh dove to Challenger Deep, becoming the first men to ever dive to such a depth.
What's at the bottom of the abyss? Er, not much. First video shows the moonscape found by James Cameron on his record-breaking descent
Barren. The bottom of the Mariana Trench is nothing but emptiness.
What's at the bottom of the abyss? Er, not much. First video shows the moonscape found by James Cameron on his record-breaking descent
Jacques Piccard and Don Walsh emerge from the Trieste after the first ever dive to Challenger Deep in January 1960. After a grueling five hour descent, the men spent only twenty minutes on the ocean floor. This early departure was due to a crack in the outer window caused by temperature differences during the descent. The ascent back to the surface took the two men three hours and fifteen minutes.
What's at the bottom of the abyss? Er, not much. First video shows the moonscape found by James Cameron on his record-breaking descent
James Cameron controlled the submarine from this spherical chamber, built to withstand immense pressures.
What's at the bottom of the abyss? Er, not much. First video shows the moonscape found by James Cameron on his record-breaking descent
A diagram of James Cameron's submarine, Deepsea Challenger.
Beautiful Creatures in Mariana Trench, Deepest Place in the World
A diagram showing the Trieste and the depths of other submersibles compared to the depth of the Mariana Trench.
What's at the bottom of the abyss? Er, not much. First video shows the moonscape found by James Cameron on his record-breaking descent
James Cameron (far right) talks with Don Walsh (far left) before his dive to the site Walsh traveled to 50 years earlier.
Beautiful Creatures in Mariana Trench, Deepest Place in the World
A Munnopsis Isopod Crustacean found in the Mariana Trench. A denizen of the southern ocean, the Munnopsis Isopod is believed to be one of the ancient ocean dwelling creatures, possible 300 million years old.
Beautiful Creatures in Mariana Trench, Deepest Place in the World
Anglerfish, which use a light to lure in prey, can be found in the Mariana Trench.
Beautiful Creatures in Mariana Trench, Deepest Place in the World
The Mertensia ovum, AKA the Arctic Comb Jelly or Sea Nut, is quite the colorful creature.
Three New Marine Monuments in the Pacific
Champagne Vent in the Mariana Trench. The trench's floor has hydrothermal vents that emit highly acidic fluids. The temperature around the vents can reach temperatures of 572 degrees F (300 degrees C).
Geology - DEEPSEA CHALLENGE
Microbes thrive around the vents on the floor of the trench. These vents provide heat while the trench acts as a natural trap for sediments falling from above.
26.01.2011 Climate secrets locked at the bottom of the Mariana Trench
The seabed of the Mariana Trench is covered in a kind of “ooze,” a yellowish, viscous sediment that is composed of the shells and decay from animal and plant plankton.