Layers in Crater in Arabia Terra
HiRISE PICTURE OF THE DAY: 16 OCTOBER 2025

These Thin Layers

The objective of this observation is to examine many thin layers exposed in an impact crater in the region of Arabia Terra. The layers may be associated with yardangs which are located nearby. The scene is also visible in Context Camera data.



HiRISE Instrument News
Since July 23, 2023, HiRISE observations have lacked data from the RED4 CCD due to a hardware issue, creating a gap in the middle of image products and reducing the color swath to 1 CCD width. We are investigating the hardware issue and may be able to acquire some RED4 data in the future.

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.