Discovery takes plunge with Deep Planet

Explorer Reaches Bottom of the Mariana Trench Breaks Record for Deepest Dive Ever

The submersible reaches the bottom of the Challenger Deep in the Mariana Trench. Credit Atlantic Productions for Discovery Channel

Those candy wrappers you threw out?

Discoveries in the Challenge Deep included "vibrantly colourful" rocky outcrops that could be chemical deposits, prawn-like supergiant amphopods, and bottom-dwelling Holothurians, or sea cucumbers. The first-ever expedition to Challenger Deep was made by the US Navy in 1960, reaching a depth of 10,912 meters.

The previous record was held by "Titanic" director James Cameron in 2012. Victor is the third person to have dived to the deepest point in the ocean, known as Challenger Deep.

"It was my objective all along to not just pursue an adventure, but also to push technology to its limit and keep advancing us all to do things that before now we thought were impossible".

Vescovo said, 'It is nearly indescribable how excited all of us are about achieving what we just did.

"Maybe I felt much more like Don Walsh and Jacques Piccard".

To show how deep it is, think about this: If you were to drop Mount Qomolangma, which is more than 8,000 meters tall, into the Mariana Trench, there would still be almost two kilometers of water between the mountain's summit and the surface. "Now in the winter of my life, it was a great honor to be invited on this expedition to a place of my youth". They reportedly discovered human-made objects on the ocean's floor, like plastic objects and angular metals, and undiscovered marine species. It's something that other expeditions using landers have seen before.

Plastic waste accounts for 33% of the overall waste at a depth of over 2,000 meters under the sea, and the deeper the water, the more waste goes with it. "And then about four hours up". Scientist now plan to test the creatures they found for the presence of micro-plastics in their anatomies.

Vescovo is the creator of the Five Deeps Expedition, the world's first manned journey to the deepest point in each of the five oceans.

The Mariana Trench is known to be the deepest part of the Pacific Ocean. Both the Trieste and Deepsea Challenger only descended to the bottom of Challenger Deep once.

In the last three weeks, the expedition has made four dives in the Mariana Trench in Mr Vescovo's submarine, DSV Limiting Factor, collecting biological and rock samples.

At its core is a 9cm-thick titanium pressure hull that can fit two people, so dives can be performed solo or as a pair.

Anthony Geffen's London-based indie Atlantic Productions is behind the five-part Deep Planet series, which will air on Discovery later this year.

The crew also found 3 new species during the expedition.

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