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HiRISE 3D: A Southern Canyon Wall in East Coprates Chasma

The walls here potentially expose pristine crustal material. This is an area of interest that could be accessed and is within a potential future rotorcraft mission traverse.

uahirise.org/anaglyph/ESP_0773
NASA/JPL-Caltech/UArizona

HiPOD 8 Mar 2023: Stratigraphic Relations in Scalloped Terrain

The stereo pair just to the north of this location shows scalloped depressions restricted to ridges that form multi-kilometer sized polygonal patterns. This footprint should capture the transition from the ridges to a more uniform blanket of scallop-hosting material, typical of most of what we see in Utopia Planitia.

uahirise.org/hipod/ESP_072263_
NASA/JPL-Caltech/UArizona

HiRISE 3D: A Small Delta or Fan

Delta or fan deposits indicate past water activity. HiRISE can resolve sedimentary characteristics such as layering and stratigraphic relationship to the surrounding geologic setting.

uahirise.org/anaglyph/ESP_0772
NASA/JPL-Caltech/UArizona

HiPOD 7 Mar 2023: Glacier-Like Forms of Mars

This observation is part of ongoing research look at glacier-like forms that show crevasse-type fractures on their surfaces. These images are needed for a study of fracture mechanics in viscous flow features on Mars. This picture, located in Protonilus Mensae, can show us any changes that have appeared since an earlier observation here in 2016.

uahirise.org/hipod/ESP_072225_
NASA/JPL-Caltech/UArizona

HiRISE 3D: A Pit within a Crater North of Rabe Crater

There are some good exposures of layered sediments in this observation.

uahirise.org/anaglyph/ESP_0774
NASA/JPL-Caltech/UArizona

HiPOD 6 Mar 2023: A Fluvial Sinuous Ridge in Oxia Planum

This fluvial sinuous ridge in Oxia Planum may represent ancient fluvial deposits or non-fluvial material that infilled the channel. HiRISE is requested to verify which interpretation is correct. Oxia Planum is a 200 kilometer-wide clay-bearing plain located between the Mawrth Vallis outflow channel to the northeast and the Ares Vallis outflow channel to the southwest.

uahirise.org/hipod/ESP_072228_
NASA/JPL-Caltech/UArizona

HiRISE 3D: Fractured Terrain West of Echus Chasma

The fractured terrain in this image appears to have a rim, which is unusual. Does the lava flow bury the fracture? Or did the fracture occur after the lava flow was emplaced?

uahirise.org/anaglyph/ESP_0766
NASA/JPL-Caltech/UArizona

HiPOD 3 Mar 2023: Channels in Rahway Valles

This public HiWish suggestion footprint contains channels and ridges that may have been created by volcanic, fluvial, and/or glacial processes. Higher resolution observations (especially stereo observations) of these channels could help to untangle the geologically recent histories of volcanism and water in the Elysium region.

uahirise.org/hipod/ESP_076770_
NASA/JPL-Caltech/UArizona

HiRISE 3D: Deposits in Aeolis Dorsa

Branching deposits in this area have been shown to be consistent with river deltas.

uahirise.org/anaglyph/ESP_0767
NASA/JPL-Caltech/UArizona

HiPOD 2 Mar 2023: Circular Sand Dunes

Sand dunes of many shapes and sizes are common on Mars. In this example, the dunes are almost perfectly circular, which is unusual.

They are still slightly asymmetrical, with steep slip faces on the south ends. This indicates that sand generally moves to the south, but the winds may be variable.

More: uahirise.org/ESP_076510_2230

NASA/JPL-Caltech/UArizona

HiRISE 3D: Northwest Argyre Planitia Rim Transverse Dunes

A gorgeous dune field is the centerpiece of this observation. Our goal is to study basin-driven wind regimes.

uahirise.org/anaglyph/ESP_0767
NASA/JPL-Caltech/UArizona

HiPOD 1 March 2023: Glacial (Ice) or Lava Flow?

The geologic setting and latitude here suggest this is a glacial (ice-rich) flow, but the surface is broken into plates like many lava flows on Mars. An image was targeted here to get a better look.

Read more:
uahirise.org/ESP_076502_2100

NASA/JPL-Caltech/UArizona

HiPOD 28 Feb 2023: Boulder Patterns

This image of a crater floor at high southern latitude reveals many boulders ranging from 1 to 10 meters in diameter. The boulders are not distributed randomly or uniformly but are often arranged in linear or circular patterns.

Some of these patterns resemble the polygons often seen at high latitudes on Mars, which form from seasonal expansion and contraction of ground ice.

More: uahirise.org/hipod/ESP_076499_

NASA/JPL-Caltech/UArizona

HiRISE 3D: Jezero Crater Outflow Channel

There is however some evidence of fluvial scouring of the high southern outlet and some related sediment accumulation downslope.

uahirise.org/anaglyph/ESP_0769
NASA/JPL-Caltech/UArizona

HiPOD 27 Feb 2023: A Look at a Steep North Polar Scarp

This very steep ( more than 60 degrees) scarp shows mass wasting activity every year in the early northern spring, when it is first illuminated after the period of winter darkness. This observation was an attempt to image in late northern winter, in spite of poor illumination.

More: uahirise.org/hipod/ESP_076516_

NASA/JPL-Caltech/UArizona

HiRISE 3D: Channels in Nilokeras Mensae

Also visible in a Context Camera image, these large and small channels look impressive in 3D.

uahirise.org/anaglyph/ESP_0767
NASA/JPL-Caltech/UArizona

HiPOD 23 Feb 23: A Fresh, Rayed Crater

Distinctive in Mars Orbiter Camera images and THEMIS global inventory, this small, 366-meter diameter crater still shows darker material left over from the original impact extending quite far. Our goal is to look for rock exposures and secondary impacts. The enhanced color cutout is at full resolution.

uahirise.org/hipod/ESP_071927_
NASA/JPL-Caltech/UArizona

Another one!

HiRISE 3D: In Xanthe Dorsa

Our goal is to document stratigraphic relationships between ridges and knobs.

uahirise.org/anaglyph/ESP_0768
NASA/JPL-Caltech/UArizona

HiRISE 3D: A Valley South of Ares Vallis

This 3D pic of today’s HiPOD was too much to resist!

uahirise.org/anaglyph/ESP_0769
NASA/JPL-Caltech/UArizona

HiPOD 22 Feb 2023: A Valley to the South of Ares Vallis

A public target suggestion: the objective is to help us understand the flow that occurred between smaller rivers and larger rivers, and how it affected the landscape. This will also help in studying and understanding how geological processes and different rock types affected the flow of ancient rivers on Mars.

uahirise.org/hipod/ESP_076962_
NASA/JPL-Caltech/UArizona

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HiRISE (NASA)

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