The European Space Agency (ESA) Copernicus Sentinel-2A satellite collected this false-color image over the jagged islands along the west coast of Greenland on Aug. 8, 2017.
Peeking Under Greenland's Ice Sheet
Greenland's thick ice sheet insulates the bedrock below from the cold temperatures at the surface, so the bottom of the ice often is tens of degrees warmer than at the top.