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HiPOD 7 Sept 23: Gully Stratigraphy with Glacial Deposits

This public target request via HiWish requested we acquire this image in order to obtain slope measurements and shapes of the gullies on this crater’s wall at the meter scale. Another good way to request for an image from HiRISE is the fact that we have no stereo coverage of this area. This can make for a compelling target.

uahirise.org/hipod/ESP_074079_
NASA/JPL-Caltech/UArizona

Mars Has Far Fewer Minerals Than Earth Does (Note: this is an Apple News link and may not be available for all readers.)

apple.news/AMs7F5fWgTimhxqmMKX

HiRISE 4K: Layers in Hydraotes Chaos

The objective of this observation is to examine layers in Hydraotes Chaos. This scene is also visible in Context Camera data.

Image cutout is less than 5 km (3 mi) across and the spacecraft altitude was 275 km (171 mi). For full observation details including images with scale bars, visit the source link.

uahirise.org/ESP_074048_1820
NASA/JPL-Caltech/Arizona
flic.kr/p/2p19tp9

HiRISE 3D: Oudemans Crater Central Uplift

HiRISE coverage gives us an excellent chance to layering in detail compared to Mars Orbiter Camera images.

uahirise.org/anaglyph/ESP_0116
NASA/JPL-Caltech/Uarizona

HiClip mini 4K: The Things that Blow Away

This part of the observation gives us a view of linear dunes in northwest Argyre Planitia. (This is a non-narrated clip with ambient sound.)

youtu.be/k_fzkMXcHZw

HiPOD 6 Sept 23: In Them Thar Hills

Context Camera data shows a dense network of ridges and alcoves at this location. Our main science goal is to figure out what exactly is moving sediment down hillslopes in landscapes like this, but only if high resolution topography is available, which HiRISE can provide. (The technical rationale was to study hillslope-channel coupling in a high drainage density region.)

uahirise.org/hipod/ESP_079000_
NASA/JPL-Caltech/UArizona

HiRISE 3D: Tilted Mesas near Athabasca Valles

Tilted mesas, probably due to invasive lava, but in this case showing minimal separation and a fairly close jigsaw fit.

uahirise.org/anaglyph/ESP_0339
NASA/JPL-Caltech/UArizona

HiPOD 5 Sept 23: Impact-Related Deposits and Flows near Jijiga Crater

The rationale for acquiring this image is to observe how surface flow patterns in the area vary with distance from the proposed parent crater. This is one of several flow feature observations being suggested in the vicinity of the well-preserved Jijiga Crater to the southwest. The crater is named after the town in Ethiopia.

uahirise.org/hipod/ESP_074075_
NASA/JPL-Caltech/UArizona

HiRISE 3D: A Recent Crater

Well, “recent” in the geological sense, but we can still see the ejecta pattern clearly in this 3D image.

uahirise.org/anaglyph/ESP_0370
NASA/JPL-Caltech/UArizona

HiPOD 4 Sept 23: Resistant Material in Olympus Mons Aureole Ridges

The question of how the Olympus Mons aureole formed has wide-ranging implications for Mars paleoclimate, including whether a northern ocean existed. The presence or absence of bedded lava within aureole blocks can help test the merits of a competing hypotheses for the aureole’s formation. These blocks are particularly well exposed and appear to contain layered beds of resistant material.

uahirise.org/hipod/ESP_074065_

HiRISE 3D: Once a Landing Site

This was one of the many images HiRISE acquired for the Mars 2020 mission to assess a landing ellipse and to look for potential hazards.

uahirise.org/anaglyph/ESP_0424
NASA/JPL-Caltech/UArizona

HiPOD: Impact by Impact

Situated next to a much larger and older crater, this candidate impact site formed at most between August 2016 and April 2020. From Context Camera data, there is a large dark blast zone in a follow-up image that was not present in an earlier one. Other images might have been acquired that narrow this range but were unavailable to the CTX team at the time this target suggestion was created.

uahirise.org/hipod/ESP_074039_
NASA/JPL-Caltech/UArizona

HiRISE 3D: Mounds on a Crater Floor

This Target is meant to document a sample of the cone and dome shaped landforms on this crater floor.

uahirise.org/anaglyph/ESP_0422
NASA/JPL-Caltech/UArizona

HiPOD 31 Aug 23: Well-Preserved in Nereidum Montes

Also visible in Context Camera data, this observation gives us a high-resolution view of a sharp-rimmed, gullied crater with bedrock exposures and intricate ejecta flow patterns. Nereidum Montes is an over 1,100-kilometer length range of mountains northeast of Argyre Planitia.

uahirise.org/hipod/ESP_074035_
NASA/JPL-Caltech/UArizona

The electronics unit for CCD RED4 started to fail in August 2023, and we have not been acquiring images in this central swath of the images. The processing pipelines will be updated to fill this gap with the IR10 image for some products. The 3-color coverage is now reduced in width.

HiRISE Instrument News:

Since July 23, 2023, HiRISE observations have lacked data from the RED4 CCD due to a hardware issue, creating a gap in the middle of image products and reducing the color swath to 1 CCD width. We are investigating the hardware issue and may be able to acquire some RED4 data in the future.

HiRISE 3D: A Spooky Crater

There are lots of secondary craters in this area that are well preserved, yet the main crater is extremely shallow, probably due to relaxation in ice-rich ground .

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

HiPOD 30 Aug 23: A Layered Sequence in Terby Crater

The western face of this bench has one of the best exposures of layered deposits in Terby Crater. The sequence consists of 4 sub-units within the 2.5 km-thick sequence. This location has many angular unconformities that are not exposed in the same sequence further south. This image will help determine the nature of the deposit and the possible correlation of layers in the same bench to the south.

uahirise.org/hipod/ESP_074031_

HiRISE 3D: Valleys in a Crater near Mawrth Vallis

There are valleys in this crater that terminate at the central pit. Were they formed through fluvial processes?

uahirise.org/anaglyph/ESP_0424
NASA/JPL-Caltech/UArizona

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HiRISE (NASA)

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