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⇱ HiRISE | High Resolution Imaging Science Experiment

👁 The University of Arizona


👁 The University of Arizona: Lunar and Planetary Laboratory: HiRISE




👁 Depression and Cracks in Northern Mid-Latitudes
HiRISE PICTURE OF THE DAY: 3 APRIL 2026

Depression and Cracks

The objective of this observation is to examine a group of depressions with associated cracks. The cracks and depressions seem to be forming in an upper layer of material. Some researchers have suggested that this region once had a 200 meter thick ice sheet that was affected by dikes. This scene is also visible in Context Camera image data.



👁 100,000 Image of Mars!
100,000 Images of Mars!
On 7 October 2025, the HiRISE camera aboard MRO acquired an image of the Syrtis Major plains that marks over 100,000 images of Mars, which is a fabulous milestone!
👁 HiRISE Image of Exocomet 3I/ATLAS
HiRISE Image of Exocomet 3I/ATLAS
On 2 October 2025, MRO turned away from Mars to image 3I/ATLAS, only the third interstellar object ever observed passing through our solar system!

👁 HiRISE Instrument News
HiRISE Instrument News
Since mid-2023, our RED4 CCD has operated only intermittently due to a hardware issue, creating gaps in the middle of some image products and reducing the color swath to 1 CCD width. We continue to command RED4 in all observations and it returns data approximately 50% of the time

👁 Ejecta Moving into Crater in Chryse Planitia
Ejecta Moving into Crater in Chryse Planitia
The objective of this observation is to examine what appears to be ejecta moving into a small crater. More resolution is needed to tell exactly what is going on here. This scene is also visible in Context Camera data. Chryse Planitia is a region where the Viking 1 lander and Mars Pathfinder touched down.






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High Resolution Imaging Science Experiment
HiRISE Operations Center
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Tucson, Arizona 85721

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