Scientists at the University of Western Australia used a robotic sub to explore Perth Canyon, a relatively unstudied ocean gorge that is roughly the same size as the Grand Canyon.
The rest of the story
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Grand Canyon-Size Underwater Gorge Explored By Submarine | Video
Scientists at the University of Western Australia used a robotic sub to explore Perth Canyon, a relatively unstudied ocean gorge that is roughly the same size as the Grand Canyon.
The rest of the story
livescience.com
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