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HiPOD 23 Oct 23: A Crater near Dorsa Argentea

This image shows us the western side of a crater near Dorsa Argentea, displaying prominent wind-driven processes, dark fractal structures, and stratigraphy. This observation presents an opportunity to study the causes and factors relating to current changes in the area and their interactions. It may also be useful to study potential resources for future human landings.

uahirise.org/hipod/ESP_074364_
NASA/JPL-Caltech/UArizona

HiPOD 22 Oct 23: Along the Floor of Coprates Chasma

This image shows a small portion of the floor of Coprates Chasma, a large trough within the Valles Marineris system of canyons.

More: uahirise.org/hipod/ESP_018347_

NASA/JPL-Caltech/UArizona

HiRISE 10K: A Complex Crater in Arabia Terra

This highly modified crater is located in Arabia Terra at the boundary between the southern highlands and northern lowlands.

Full cutout on Flickr: flic.kr/p/2padSER

NASA/JPL-Caltech/UArizona

Mars’ Most Powerful Quake Likely Triggered By Tectonic Forces

Researchers searched for signs of a meteorite impact that caused the quake, but were unable to find any

smithsonianmag.com/smart-news/

HiRISE 3D: A Wall in Coprates Chasma
Recurring slope lineae was observed in another nearby image so this image was requested to confirm that status.

uahirise.org/anaglyph/ESP_0409
NASA/JPL-Caltech/UArizona

HiPOD 20 Oct 23: Spring on Southern Sand Dunes

When we took this image, spring was slowly returning to the Southern Hemisphere. These sand dunes, within Kaiser Crater, are partially covered with carbon dioxide ice. Numerous channels going down the face of the dune are caused by blocks of ice sliding down the slope.

More: uahirise.org/hipod/ESP_079809_

NASA/JPL-Caltech/UArizona

HiRISE 3D: Interesting Young Flow Features in Nereidum Montes

Our science goal is to understand the nature of a (geologically) young flow deposit at meter-scale resolution.

uahirise.org/anaglyph/ESP_0410
NASA/JPL-Caltech/UArizona

HiPOD 19 Oct 23: Sediments in Northeast Syrtis Major

This region is potentially where the Mars Sample Return lander could retrieve samples collected by Perseverance rover, if the rover travels this far outside of Jezero Crater. This enhanced color cutout covers ancient sediments with polygonal fracture patterns, perhaps an ancient lakebed.

uahirise.org/hipod/ESP_080611_
NASA/JPL-Caltech/UArizona

Mercury's eerie surface — covered with thousands of pitted and uneven hollows — remains a puzzling mystery for scientists.

With no atmosphere, wind or rain on the planet, no one knows how the peculiar depressions got there. More: science.nasa.gov/solar-system/

HiRISE 4K: A Little Group o’ Dunes

The science goal was to obtain an image, along with the Context Camera, for seasonal dune and frost deposition, evolution and sublimation.

Full cutout on Flickr: flic.kr/p/2pa1KYr

NASA/JPL-Caltech/UArizona

HiRISE 3D: A Question of Thermokarst

Thermokarst is a type of terrain characterized by very irregular surfaces of marshy hollows and small hummocks formed as ice-rich permafrost thaws.

uahirise.org/anaglyph/ESP_0408
NASA/JPL-Caltech/UArizona

HiPOD 18 Oct 23: Late Summer on Northern Dunes

Northern dunes are made of dark basaltic sand, causing them to stand out against the rougher redder surface. No seasonal carbon dioxide ice remains other than the few bright cold spots where the ice (which may be water ice) has been protected.

uahirise.org/hipod/ESP_079927_
NASA/JPL-Caltech/UArizona

HiRISE 3D: A Fresh 2-Kilometer Diameter Impact Crater

This nice crater, also visible in THEMIS and Context Camera data, looked like a good candidate for potentially active slopes (from erosion).

uahirise.org/anaglyph/ESP_0410
NASA/JPL-Caltech/UArizona

HiPOD 17 Oct 23: Crustal Blocks in the Walls of Coprates Chasma

The deep canyon walls of Valles Marineris might expose ancient crustal materials. Blocks of bedrock with diverse colors are visible in the enhanced-color cutout. These large, jumbled blocks might have resulted from heavy bombardment by asteroids about 3.9 billion years ago.

uahirise.org/hipod/ESP_080616_
NASA/JPL-Caltech/UArizona

HiRISE 3D: Unit Morphology in the Syrtis Major Region

This image can help us to look for stratigraphic relationships among three mineral bearing units detected with the CRISM instrument: carbonate, olivine, and serpentine.

uahirise.org/anaglyph/ESP_0409
NASA/JPL-Caltech/UArizona

HiPOD 16 Oct 23: At the Edge

This observation shows us some details of the landscape at the edge of the South Polar layered deposits. When we acquired this image we noticed that spring activity seems to have arrived late here. Our science goal is to compare this image to earlier years for signs of new erosion.

uahirise.org/hipod/ESP_074353_
NASA/JPL-Caltech/UArizona

HIPOD 13 Oct 23: A Crater in Gorgonum Chaos

One hypothesis proposes that the region of Eridania (where Gorgonum Chaos is located) to be volcanic in origin, and this conflicts with a previous interpretation that suggested this region to be an ancient inland sea. This HiRISE observation of the formations here (called “chaotic terrain”) can help to investigate the origin of this landscape.

uahirise.org/hipod/ESP_074396_
NASA/JPL-Caltech/UArizona

HiPOD 12 Oct 23: Layers Upon Layers

Also visible in a Context Camera image, the objective of this observation is to examine part of a large field of layered terrain. In fact, much of this fairly large crater in northeast Meridiani Planum contains many layers, making for a stunning landscape.

uahirise.org/hipod/ESP_074350_
NASA/JPL-Caltech/UArizona

HiPOD 11 Oct 23: Dune Monitoring in an Impact Crater

This very interesting image was requested to look for seasonal dune changes and to monitor frost deposition, evolution and sublimation. The Context Camera was also requested to ride-along to help with frost detection with its larger footprint. We can also look for detailed surface measurements.

uahirise.org/hipod/ESP_074339_
NASA/JPL-Caltech/UArizona

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HiRISE (NASA)

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