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Resembling splotches of yellow and green paint, salt-encrusted seasonal lakes dot the floor of Western Australia’s Shoemaker impact structure. The structure was formed about 1.7 billion years ago and is currently the oldest known impact site in Australia.
This image was acquired by Landsat 7’sEnhanced Thematic Mapper plus (ETM+) sensor.
Image provided by the USGS EROS Data Center Satellite Systems Branch as part of the Earth as Art II image series
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