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The Mariana Trench was first discovered by the HMS Challenger during its expedition from 1872 to 1876, led by Captain George Nares. The trench was identified during deep-sea soundings conducted by the ship's crew, specifically by scientist Sir Charles Wyville Thomson, who was the chief scientist on the voyage. However, it is important to note that the trench itself was not explored in detail until much later, with notable expeditions occurring in the 20th century.
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How deep is mariano trench?
First off, its Mariana Trench, and it is at 11,033 meters (36,201 feet) deep
What was the first major ocean floor expedition?
mariana trench
Who was first to reach the bottom of the mariana trench?
The first person to reach the bottom of the Mariana Trench was Don Walsh and Jacques Piccard in 1960 aboard the Bathyscaphe Trieste. They descended to a depth of about 10,916 meters (35,814 feet) in the Challenger Deep, the deepest part of the trench.
What machine dives deepest into the ocean?
The Deepsea Challenger Sub recorded the deepest dive into the Mariana's Trench. James Cameron became the first person to reach 6.8 miles down to the floor of the trench.
How was the depth of the mariana trench measured?
The Mariana Trench was first measured by HMS Challenger in 1875 using sounding lines. The depth recorded by that method was 4,475 fathoms (8,184m). The first sonar measurement was made by another oceanographic survey ship of the same name, in 1951. The depth reported by that expedition was 10,911 meters.
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Iverville and Bineville were the first people to discover The Louisiana!
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he was the first person to discover that blood has oxogen in it
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