Antarctica’s Descent into the Cold
When and why the continent became covered in ice
Today, on the east side of Antarctica, the deepest continental canyon on our planet plunges 3,500 meters (11,000 feet) below sea level. But you can’t stand on the edge of Denman Canyon and peer into its depths because the entire canyon is filled with ice from the Denman Glacier, which measures 16 kilometers across and runs…