“Right away, all of our preconceptions about the ocean were blown out the window,” Dr. During the dive, passengers Jacques Piccard and Don Walsh said they were stunned to see living creatures where scientists once imagined it was impossible for anything to survive. The first came in 1960 with the historic dive of the Trieste bathyscaphe, a type of free-diving submersible. Here are some fascinating facts about this deep-sea phenomenon.ġ. ‘Titanic’ director James Cameron is one of the few people who have visitedįew human expeditions have ventured to the Challenger Deep. That’s nearly three times deeper than the site where the wreckage of the RMS Titanic lies in the Atlantic Ocean, and it’s deeper than Mount Everest is tall. Perhaps the most intriguing of these features is the Mariana Trench - a chasm in the western Pacific Ocean that spans more than 1,580 miles (2,540 kilometers) and is home to the Challenger Deep, the deepest known point on Earth’s surface that plunges more than 36,000 feet (about 11,000 meters) underwater. Just as Earth’s land surface has enormous peaks and valleys, the oceanic world has similarly varied topography.
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