Scientists Look to Space to Map Ocean Floor

More is known about the surface of Mars than the sea floor of our own planet, eighty percent of which is unmapped. That’s changing, though, with the release of a new map based on untapped streams of satellite data. The new map created by a team at the Scripps Institution of Oceanography at the University of California, San Diego, is twice as accurate as the version produced by the US Navy 20 years ago. “The way we’re doing that is to use satellite altimeter, a radar, to map...

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