Frosted crater

Frosted crater

. White frost fills the Lowell crater, named after the American Percival Lowell (1855-1916). This image taken from the Mars Global Surveyor during autumn in the southern hemisphere of Mars. The crater is 20 kilometers in diameter, and is located at a latitude of 52.3 degrees south and at 81.3 degrees west longitude. (Courtesy of NASA, JPL and Malin Space Science Systems.)

Copyright 2010, Professor Kenneth R. Lang, Tufts University