NASA flies to Greenland to extend polar science
Tuesday, March 31, 2009 - 14:49
in Earth & Climate
Imagine a piece of ice 1,000 miles long, 400 miles wide, and 2 miles thick in the center. That's the Greenland ice sheet. But that island-sized piece of ice is melting, so NASA researchers are flying to the Arctic this week to learn more about the nature of those changes.