Lake Amadeus, Australia, satellite image. North is at top. Fire scars (black and light brown) mark the arid landscape (brown) around Lake Amadeus (blue and white) in Australia's Northern Territory. Lake Amadeus is rich in salts that have been leached out of underlying sediments. Moist areas are light and dark blue. Dry salt deposits are white. When dry, the lake bed is transformed into a glistening sheet of white salt crystals. Image data obtained on 27 July 1990.