Slope Streaks in Acheron Fossae
HiRISE PICTURE OF THE DAY: 8 JUNE 2023
Slope Streaks in Acheron Fossae

This region is covered in thick layers of dust. On steep slopes, this dust occasionally becomes unstable and flows downhill, like small avalanches.



Complicated Lava Cooling
This HiRISE image shows a classic example of platy-ridged lava. Scientists think that this is the same as a lava type called “rubbly pahoehoe” on Earth.

Martian Araneiforms: A Review
Araneiforms are enigmatic dendritic negative topography features native to Mars, and are found across a variety of substrates and exhibiting a range of scales.