THEMIS Image of the Day, October 31, 2016. This VIS image shows a group of craters in Terra Sirenum. The elongate crater in the top half of the image has numerous gullies dissecting the inner crater rim as will has channels that have dissected the block of material near the center of the crater. It appears that these channel are possible extensions of the rim gullies.
More THEMIS Images of the Day by geological topic.