Gizmodo: The picture above shows a top-down view of Antarctica, the freezing southern end of our planet. Except that it's not a single picture. It's a mosaic of 3,150 satellite images mashed together to form one giant image.
The images, which were created by MacDonald, Dettwiler and Associates, which manages the RADARSAT-2 satellite on behalf of the Canadian Space Agency. They're hosted by the Canadian Cryospheric Information Network, at the University of Waterloo, which maintains the Polar Data Catalogue,...