HiPOD: Big Fans

Alluvial fans are fan-shaped deposits emerging from regions of steep topography. Alluvial fans on Mars are thought to be ancient and record past episodes of flowing water. This image shows part of one of those fans, which has been eroded.

More: https://uahirise.org/hipod/ESP_054117_1585

NASA/JPL-Caltech/UArizona
#Mars #science