August 30, 2013
Greenland’s Mega Canyon
Hidden for all of human history, a 460 mile long canyon has been discovered below Greenland’s ice sheet. Using radar data from NASA’s Operation IceBridge and other airborne campaigns, scientists led by a team from the University of Bristol found the canyon runs from near the center of the island northward to the fjord of the Petermann Glacier.
[ Read the Article: Massive Canyon Discovered Beneath Greenland Ice Sheet ]