Is The Challenger Deep In The Mariana Trench?
Is The Challenger Deep In The Mariana Trench? How deep is the Mariana Trench? The Trench sits like a crescent-shaped dent in the floor of the Pacific Ocean, extending over 1500 miles long with an average width around 43 miles and a depth of almost 7 miles (or just under 36,201 feet). … Toward the