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HiPOD 5 Jun 23: On the Look-out for Dust Devils

In this image, we can see a dust devil traveling across the plains of Syria Planum. The dust devil is casting a shadow, which can be used to estimate its height. This image is part of ongoing monitoring activities by HiRISE of seasonal activities on Mars.

More: uahirise.org/ESP_077862_1650

NASA/JPL-Caltech/UArizona

HiRISE 3D: Once Again, Jezero

This anaglyph was made at the request of the Perseverance team as they were finding suitable landing spots in the crater.

bit.ly/hi3d-02-jun-23
NASA/JPL-Caltech/UArizona

HiPOD 2 Jun 2023: Layers along Hegemone Dorsum

Also visible in a Context Camera image, the objective of this observation is to examine light and dark layers along the wall of a depression. A dorsum is a ridge, sometimes called a wrinkle ridge and Hegemone is one of the Graces (according to the ancient Athenians) who were daughters of Zeus and whose name means “leader”.

uahirise.org/hipod/ESP_073587_
NASA/JPL-Caltech/UArizona

HiRISE 8K: On the Variety of Spider Terrain

Spiders on Mars? Not exactly, but in any case, it looks spectacular!

Full cutout on Flickr: flic.kr/p/2oEnUb5

NASA/JPL-Caltech/Arizona

HiRISE 3D: Contacts between Isidis Planitia Olivine-Rich Units and Other Units

This obervation is to see how far the various spectral units mapped to the west extend (to the east) and covers an area with both distinct thermophysical signatures and diverse shapes.

bit.ly/hi3d-01-jun-23
NASA/JPL-Caltech/UArizona

HiRISE 3D: Daedalia Planum Lava Flows

This anaglyph shows part of a lava distributary system with potential flow inflation features and small breakouts.

bit.ly/hi3d-31-may-23
NASA/JPL-Caltech/UArizona

HiPOD 1 June 2023: Dune Gullies of Russell Crater

We’ve seen blocks of carbon dioxide ice in these gullies several times in previous images, which are likely carving out the linear gullies. This observation is part of a potential series to try to determine: 1) how long individual blocks last; 2) whether they stop and restart, or only move once. Russell Crater is located in Noachis Terra, a southern landmass to the west of the Hellas impact basin.

uahirise.org/hipod/ESP_073585_
NASA/UArizona

HiPOD 31 May 2023: Not Jenny from the Block

This stunning image shows contact between a blocky deposit and underlying material in Candor Chasma, part of the Valles Marineris canyon system. With a high resolution image of this deposit, we can try to determine the mineralogy of blocks and the underlying geological unit. There is evidence of wind and water erosion, as well as significant gravity-driven landslides in Candor.

uahirise.org/hipod/ESP_073588_
NASA/JPL-Caltech/UArizona

HiRISE 3D: Convoluted Folds in Light-Toned Deposits along Ius Chasma Floor

Context Camera images show very cool folds in these deposits. Details in deposits that could help explain how they formed.

Anaglyph details page: bit.ly/hi3d-30-may-23

NASA/JPL-Caltech/UArizona

HiPOD 30 May 23: A Rayed Impact Crater in Meridiani Planum

This re-image shows a relatively youthful crater with some very large ejected boulders, big enough to see in Context Camera images. The rays are dark-toned: is this a textural feature or a tonal property of the ejected rock? There is plenty to look at and consider, especially regarding target properties and effects of the impact event on the local terrain, including light-toned layered rock of Meridiani Planum.

uahirise.org/hipod/ESP_073572_

HiPOD 29 May 2023: A Diverse Section of Nirgal Vallis

An image from the CaSSIS instrument on the ExoMars Trace Gas Orbiter (ESA) reveals additional color units exposed in this section of the wall of the valley, which includes some extensive sections of what may be low-calcium pyroxene-bearing rocks. Our HiRISE image can help to resolve textures (breccias) to test multiple hypotheses concerning the formation of the extensive clay-bearing unit in high resolution.

uahirise.org/hipod/ESP_073534_

HiPOD 26 May 2023: Fans Both Light and Dark

This image is part of a longterm seasonal monitoring site with lots of long bright and dark fans. These are formed as a result of sublimation, when subsurface ice is transformed by sunlight into a gaseous state and exposes the underneath darker material. This is subsequently blown about by the wind and the fans will fade over time.

uahirise.org/hipod/ESP_073543_
NASA/JPL-Caltech/UArizona

HiRISE 8K: Some Features in Iani Chaos

This observation offers us a “low-dust window” look at the bedrock.

Full cutout on Flickr: flic.kr/p/2oCB2bF

NASA/JPL-Caltech/Arizona

HiRISE 3D: Strange Features in Hellas Planitia

Along with a digital terrain model, this anaglyph can help us to understand the evolution of the terrain here in northwest Hellas Planitia.

bit.ly/hi3d-25-may-23
NASA/JPL-Caltech/UArizona

HiPOD 25 May 2023: A Serpentine-Bearing Mound in Ariadnes Colles

A CRISM observation over this unit shows several absorption bands indicative of the mineral serpentine. These probable serpentine-bearing units appear as bright-toned in HiRISE images. This observation will allow us to see the structure in high resolution for better study. The most obvious physical properties of serpentine are its green color and patterned appearance.

uahirise.org/hipod/ESP_073513_
NASA/JPL-Caltech/UArizona

HiRISE 4K: Across the Crater

This formation is a striking one as not only does it rise above the floor of the crater, but it has lighter-tones than the surrounding terrain.

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

NASA/JPL-Caltech/Arizona

HiRISE 3D: Crevasse-Like Features in the Utopia Region

A formation like these demands to have a stereo pair for a future digital terrain model. It’s a retarget to also look for changes.

bit.ly/hi3d-24-may-2023
NASA/JPL-Caltech/UArizona

HiPOD 24 May 2023: Layers in the Center of Cerulli Crater

The objective of this observation is to determine the nature of what looks like layers. The layers seem to be associated with mantle material moving off knobs. It may be that the mantle slides off the knobs and gets twisted. This image shows a simple view of what is going on.

uahirise.org/hipod/ESP_023104_
NASA/JPL-Caltech/UArizona

HiRISE 3D: A Chain of Mounds in the Tharsis Region

Here is part of a series of elongate mounds aligned with fissures in Tharsis. The mounds have summit craters in various stages of degradation—possible cinder cones.

bit.ly/hi3d-24-may-23
NASA/JPL-Caltech/UArizona

HiPOD 23 May 23: Dune Monitoring in Mawrth Vallis

This location was a candidate landing site for the ExoMars mission. It’s a dune field that has never been imaged before by HiRISE, and we can use it as part of a monitoring series to spot ripples on the dunes and changes over time.

uahirise.org/hipod/ESP_073467_
NASA/JPL-Caltech/UArizona

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HiRISE (NASA)

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