Sunrise to Sunset on the Martian Mimetolith
HiRISE PICTURE OF THE DAY: 25 APRIL 2025
Sunrise to Sunset on the Martian Mimetolith

This particular mesa acquired a certain notoriety when an image was captured by the Viking 1 orbiter on 25 July 1976. The shadows cast across the feature created a pareidolic perception of a human face.



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.

Ridges in Lycus Sulci
Much of the rocks in this area have been subjected to erosion by the wind, so the surface we see today was originally buried deep underground.