In a small corner of the vast Great Sandy Desert in Western Australia, large sand dunesthe only sand in this desert of scrub and rockappear as lines stretching from left to
right. The light-colored fan shapes are scars from wildfires.
This image was acquired by
Landsat 7s Enhanced Thematic Mapper plus
(ETM+) sensor on August 22, 2000. This is a false-color composite image made using near-infrared, red, and blue wavelengths. The image has also been sharpened using the sensors