locating the deepest spot on earth isn’t straightforward light barely penetrates
straightforward light barely penetrates
straightforward light barely penetrates more than a few hundred feet in water so
more than a few hundred feet in water so
more than a few hundred feet in water so we can’t see the bottom but sound does
we can’t see the bottom but sound does
we can’t see the bottom but sound does measure the time it takes for sound to
measure the time it takes for sound to
measure the time it takes for sound to make the round trip from surface to
make the round trip from surface to
make the round trip from surface to bottom and you can calculate distance
bottom and you can calculate distance
bottom and you can calculate distance and in 1951 while pinging sound across
and in 1951 while pinging sound across
and in 1951 while pinging sound across the Pacific scientists honed in on the
the Pacific scientists honed in on the
the Pacific scientists honed in on the deepest spot 210 miles southwest of Guam
deepest spot 210 miles southwest of Guam
deepest spot 210 miles southwest of Guam in the Mariana Trench sonar reveals a
in the Mariana Trench sonar reveals a
in the Mariana Trench sonar reveals a fifteen hundred mile gash in the earth
fifteen hundred mile gash in the earth
fifteen hundred mile gash in the earth formed as the Pacific tectonic plate
formed as the Pacific tectonic plate
formed as the Pacific tectonic plate collides and dives under the Philippine
collides and dives under the Philippine
collides and dives under the Philippine plate the trenches deepest point the
plate the trenches deepest point the
plate the trenches deepest point the Challenger Deep is thirty six thousand
Challenger Deep is thirty six thousand
Challenger Deep is thirty six thousand seventy feet down only two people ever
seventy feet down only two people ever
seventy feet down only two people ever made it here that was more than fifty
made it here that was more than fifty
made it here that was more than fifty years ago
years ago
years ago James Cameron will do it alone
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