Meandering wadis combine to form dense, branching networks across the stark, arid landscape of southeastern Jordan. The Arabic word “wadi” means a gulley or streambed that typically remains dry except after drenching, seasonal rains. This scene was acquired by the ASTER instrument on NASA's Terra satellite on May 17, 2001. (Photo by NASA/GSFC/USGS EROS Data Center)
The McClure Strait in the Canadian Arctic Archipelago, acquired on Aug. 31, 2007 by satellite Envisat. The McClure Strait is the most direct route of the Northwest Passage and has been fully open since early August 2007.
The Earth as Art: Satellite Images of Our Planet from Orbit