The Deepest part of the ocean *isn't* the abyss. It's called The Hadalpelagic Zone. It encompasses the bottoms of trenches and sea floor caverns.
And we know frighteningly little about it.
The Challenger Deep is only the deepest *known* part of the ocean. There's almost certainly points in the ocean that are much deeper.
And we know frighteningly little about it.
The Challenger Deep is only the deepest *known* part of the ocean. There's almost certainly points in the ocean that are much deeper.