Shoemaker Crater, Australia
Salt-encrusted seasonal lakes, seen here in yellow and green, dot the floor of Western Australia’s Shoemaker impact structure, the
deeply eroded remnant of a former impact crater. The structure is named in honor of planetary geologist Eugene Shoemaker and is situated in arid central Western Australia, about 100 kilometers north-northeast of the town of Wiluna. The structure was formed about 1.7 billion years ago and is currently the oldest known impact site in Australia. Landsat 7 collected this image in 2000.