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HiPOD: Sharp Mounds near Huygens Crater

The objective of this observation is to determine the nature of a group of sharp mounds. Most are angled and have straight sides. They only appear in one spot in a Context Camera image of the same area.

uahirise.org/hipod/ESP_074427_
NASA/JPL-Caltech/UArizona

HiRISE 3D: Light-Toned Exposures in Margaritifer Terra

The CaSSIS instrument detected in this clay-rich area some peculiar round deposits.

uahirise.org/anaglyph/ESP_0804
NASA/JPL-Caltech/UArizona

HiPOD: A Circular Feature Crosscut by a Lava Channel

This scene shows a circular feature about 3 kilometers in diameter with raised rims surrounded and infilled by lavas.

The circular formation is likely an eroded impact crater whose walls have been breached by the lava as it surrounded the rim and then infilled the crater. Alternatively, it could represent the location of a volcanic vent that sourced some of the lavas that formed the channel.

uahirise.org/hipod/ESP_079260_
NASA/JPL-Caltech/UArizona

HiPOD: A Mound with a View

This image from the southern floor of Gale Crater shows narrow curvy ridges that connect to larger fan-shaped deposits. These narrow ridges were once the floor of a channel that are now standing in positive relief because the finer-grained material on the flanks of the channel has been blown away by the wind.

More: uahirise.org/hipod/PSP_006288_

NASA/JPL-Caltech/UArizona

HiPOD: A Colorful New Crater

This image shows a small, colorful new crater near the equator of Mars, first detected by the Context Camera. The distinctive color of all of the ejecta shows that the surface material is different from the subsurface.

More: uahirise.org/hipod/ESP_080494_

NASA/JPL-Caltech/UArizona

HiPOD: Volcanoes and Collapses

Volcanoes come with their own underground plumbing systems that move molten rock around and feed eruptions onto the surface. Sometimes these plumbing systems can drain causing collapses of the ground above them.

More: uahirise.org/hipod/ESP_080227_
NASA/JPL-Caltech/UArizona

HiPOD: Debris from a Former Martian Glacier

Many mesas, hills, or mounds in the mid-latitudes of Mars show features extending from their walls that are called lobate debris aprons (LDAs). These LDA have been interpreted as debris-covered glaciers and have been shown by radar data to have nearly pure ice content beneath the meters-thick debris layer.

More:
uahirise.org/hipod/ESP_079302_

NASA/JPL-Caltech/UArizona

HiPOD: Colorful Terrain South of Eos Chasma

Much of this image is dominated by an impact crater roughly 8 kilometers wide, which appears filled with sand ripples and also irregular mounds whose origin is unclear. The crater’s walls and the plains north of it exhibit a wide range of colors, some of which could be volcanic rocks whereas others likely record past interactions with water.

uahirise.org/hipod/ESP_079719_
NASA/JPL-Caltech/UArizona

HiRISE 3D: A Well-Preserved 1 to 2 Kilometer Impact Crater

A very odd-shaped crater: what might have altered the shape?

uahirise.org/anaglyph/ESP_0426
NASA/JPL-Caltech/UArizona

HiPOD 27 Oct 23: Channeling Newton Crater

This observation focuses on a meandering channel within the nearly 300-kilometer diameter Newton Crater. On Earth, subglacial channels may flow uphill, so is the slope profile of these channels in Newton consistent with subglacial channels?

uahirise.org/hipod/ESP_074422_
NASA/JPL-Caltech/UArizona

HiRISE 8K: Santa Fe Crater Impact Processes

Because this is a well-preserved impact crater, the high-resolution image here captures several important aspects of larger impact craters.

Full cutout on Flickr: flic.kr/p/2pbF6En

NASA/JPL-Caltech/UArizona

HiRISE 3D: Lava Falls in Northern Kasei Valles

Data from THEMIS shows curious small channels leading over the edge here, where the main lava flow comes up to the edge of the cliff.

uahirise.org/anaglyph/PSP_0056
NASA/JPL-Caltech/UArizona

HiPOD: V but Not for Vendetta

The rationale submitted for this observation is simple: the objective is to determine the nature of a prominent V-shaped ridge, in addition to the other ridges in this otherwise flat terrain. This scene is also in a Context Camera image.

uahirise.org/hipod/ESP_074417_
NASA/JPL-Caltech/UArizona

HiRISE 4K: Gullies on the Northwest Rim of Hale Crater

This image covers part of the northwest rim of Hale Crater. Gullies have formed down the interior rim of the crater in this location.

Full cutout on Flickr: flic.kr/p/2pbvQd7

NASA/JPL-Caltech/UArizona

HiRISE 3D: A Candidate ExoMars Landing Site Near Hypanis Valles

This observation is near the center of a 2018 landing ellipse including some hills which may be remnants of overburden.

uahirise.org/anaglyph/ESP_0397
NASA/JPL-Caltech/UArizona

HiPOD 25 Oct 23: Layers and Sinuous Ridges in a Crater

Context Camera data shows flat-lying layers, sinuous ridges, and possible moraines in this crater. HiRISE resolution is needed to test the moraine hypothesis (alternative: deformed layers), and to determine the relative timing between sinuous ridge formation, flat-lying layer deposition, and moraine formation.

uahirise.org/hipod/ESP_074405_
NASA/JPL-Caltech/UArizona

HiRISE 3D: Incipient Collapse at Cerberus Fossae

Cerberus Fossae with several parallel minor fractures, suggesting that this slope is unstable and likely to fail at some point--probably a good place for slope stability modeling.

uahirise.org/anaglyph/ESP_0327
NASA/JPL-Caltech/UArizona

HiPOD 24 Oct 23: Exposures of Bedrock

This observation was requested for co-analysis with the CRISM instrument (and other datasets) to help determine the origins of the diverse materials exposed in a number of massifs associated with the massive Hellas impact basin. High resolution will be helpful for fine-scale details, like bedrock textures and breccias.

uahirise.org/hipod/ESP_074387_
NASA/JPL-Caltech/UArizona

HiRISE 3D: Possible Polyhydrated Sulfate Deposits in East Melas Chasma

OMEGA detected sulfates associated with a variety of layers, textures and thermo-physical characteristics in the south portion of a layered outcrop.

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

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HiRISE (NASA)

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