Science

Deepest ever dive finds plastic bag at bottom of Mariana Trench

At the deepest point on the planet, Vescovo found what looked like plastic.

USA man Victor Vescovo broke the record for the deepest dive ever in a submarine at a depth of 11 kilometres to the Mariana Trench.

The plastic Vescovo found at the bottom of the trench is a grim reminder that human refuse is everywhere on the planet.

They also collected samples of brightly-coloured rocky outcrops from the seabed.

"It is nearly indescribable how excited all of us are about achieving what we just did", Vescovo told BBC News.

The 'Five Deeps' expedition has already successfully reached the bottom of the Atlantic Ocean, Southern Ocean, Indian Ocean and Pacific Ocean. "This submarine and its mother ship, along with its extraordinarily talented expedition team, took marine technology to an unprecedented new level by diving - rapidly and repeatedly - into the deepest, harshest area of the ocean".

He also became the first human to make multiple solo dives to Challenger Deep.

The team said its scientists were going to perform tests on the creatures found to determine the percentage of plastics found in them.

Eventually Vescovo could see the bottom through one of the acrylic portholes in the titanium hull and brought The Limiting Factor to rest on the ocean floor.

Before Cameron's dive, the first-ever expedition to Challenger Deep was made in 1960 by the U.S. Navy, which reached a depth of 10,912 metres. Canadian movie maker James Cameron was the last to visit in 2012 in his submarine, reaching a depth of 10,908 metres.

When the Five Deeps expedition is complete, the researchers plan to pass their findings onto science institutions, which will continued to use their information for studies.

On one occasion, he spent four hours on the trench floor, viewing sea life ranging from shrimp-like anthropods with long legs and antennae, to translucent sea pigs, which are similar to sea cucumbers. The expedition also filmed a weird creature called a spoon worm for the first time at hadal death (7,000 meters or 22,966 feet).

It was the voyage to break the record for the world's deepest ocean dive.

The Five Deeps is the underwater equivalent of climbing the Seven Summits, which is reaching the tallest peaks on all seven continents.

After spending hours crisscrossing the bottom of the Challenger Deep, collecting video evidence of different wildlife, geological formations and man-made objects, Vescovo stopped for a second.

The final challenge will be to reach the bottom of the Molloy Deep in the Arctic Ocean, which is now scheduled for August 2019. They also found pollution.

It can withstand the crushing pressure found at the bottom of the ocean: 1,000 bars, which is the equivalent of 50 jumbo jets piled on top of a person.



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