A historic diving trip to Challenger Deep highlights Earth’s mysteries.
Courtesy of Dawn WrightWhen Dawn Wright plummeted to the bottom of the world in a nearly indestructible chamber, the sable abyss of the ocean reminded her of the vast darkness of space. Deep in the middle of the Pacific Ocean, Wright dove to a point on the Earth few humans have ever dared to lay eyes on. Her mission: to map a slice of the mysterious Mariana Trench.
“These are places that are extremely hostile, that are not where humans are made to inhabit,” says Wright, a marine geologist and the chief scientist of , a mapping-software company based in Redlands, California. “But we now have the technology to explore these spaces.”In July, Wright made history as she became the first Black woman to descend more than 35,000 feet down to Challenger Deep, a region of thein the western Pacific Ocean and the deepest known point on the planet. Marine scientists like Wright have spent decades trying to chart its dark, strange depths, with varying degrees of success.
“It’s like a postage stamp or a piece of a puzzle,” Wright says. “The puzzle is not complete until all of the pieces are found and put into place.”Challenger Deep lies on the southern end of Mariana Trench. The curved shape of this ocean canyon is considered a structural marvel: The entirety of the trench is located in a place where the Pacific tectonic plate subducts, or bends and sinks below the Philippine plate.
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