|Aeolian Features of Scandia Cavi|
Winds likely blew from the northeast resulting in elongate dunes with an asymmetric downwind point.
|The Ares 3 Landing Site: Where Science Fact Meets Fiction|
Andy Weir, the author of "The Martian" had requested that we take a picture of the Ares 3 landing site from his novel in Acidalia Planitia, within driving distance from the Pathfinder lander and Sojourner rover.
|From Ares 3 to Ares 4|
Our image of a site in "The Martian" shows a flat region that is entirely mantled by bright dust.
|All Along the Fractures|
Within the spaces between the dunes, a resistant and highly fractured surface is revealed.
|Western Edge of Marth Crater |
This HiRISE image shows the nature of terrain that serves as a dramatic background for a scene in "The Martian."
|Nested Channels near Hellas|
We're not sure if this channel-inside-a-channel was carved by flowing water or lava.
|Dynamic Mars |
This scarp at the edge of the North Polar layered deposits of Mars is the site of the most frequent frost avalanches seen by HiRISE.