Earth from Space: image of the week

This is a nighttime thermal image showing pack ice over the Foxe Basin in North-east Canada. Acquired by Envisat’s Advanced Along Track Scanning Radiometer (AATSR) this image is oriented northeast to southwest and centred over the latitudinal boundary of the Arctic Circle.

http://www.esa.int/export/esaEO/SEMLWG3AR2E_index_0.html