Antarctic Ice May Hide ‘World’s Largest’ Canyon

Researchers say they believe they have found the world’s largest canyon - located under the Antarctic ice. Writing in the journal Geology, a team of researchers led by Durham University in England says satellite data reveal a possible canyon over 1,000 kilometers long and, in places, one kilometer deep, roughly the same depth as the Grand Canyon in the United States, but much longer. The discovery still “needs to be confirmed by direct measurements,” according to the...

© La Voix de l'Amérique - mercredi 13 janvier 2016