The Challenger Deep, in the southern end of the
Mariana Trench (sometimes called the
Marianas Trench), is the deepest spot in the ocean. ... By comparison, Mount Everest stands at 29,026 feet (8,848 m) above sea level, meaning the deepest part of the
Mariana Trench is 7,044 feet (2,147 m)
deeper than Everest is tall.
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