Tag Archives: University of Arizona

HiRISE: Slopin’ around

Posted on April 26, 2018 by rburnham

Slopin’ around. We’ve imaged recurring slope lineae in this area, but with a twist: the RSL here are east- and northeast-facing, which makes them more unique as there actually aren’t that many east-facing RSL anywhere on the planet. Plus, the bedrock … Continue reading →

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HiRISE: Spider formations in crater

Posted on April 25, 2018 by rburnham

Spider formations in crater. Of course, these aren’t actual spiders, but that’s the name we give to these formations, called “araneiform.” The spiders here would be very unusual at northern latitudes. Seasonal series of pictures will allow us to compare … Continue reading →

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HiRISE: Gullies and flow in a small crater north of Newton Crater

Posted on April 24, 2018 by rburnham

Gullies and flow in a small crater north of Newton Crater. The objective of this observation is to examine a small crater with gullies and an advanced degree of flow across the crater floor, as well as over an eroded rim. … Continue reading →

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HiRISE: Alluvial fans in NE Mojave Crater

Posted on April 24, 2018 by rburnham

Alluvial fans in northeastern Mojave Crater. Mojave Crater is a perennial favorite of ours for the clear signs of these alluvial fans that might indicate it once rained on Mars a very long time ago. Beautiful Mars series. [More at links]

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HiRISE: Possible landing site for ExoMars rover in Mawrth Vallis

Posted on April 23, 2018 by rburnham

A possible landing site for the ExoMars rover in Mawrth Vallis. This digital terrain model (DTM) covers part of the proposed landing site for the European Space Agency’s ExoMars Rover at Mawrth Vallis. The proposed landing site is on the … Continue reading →

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HiRISE: The Martian Horns of Hattin?

Posted on April 23, 2018 by rburnham

The Martian Horns of Hattin? No, it’s actually a degraded crater rim, and this is similar to what Opportunity viewed at Endeavour Crater. Beautiful Mars series. [More at links]

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HiRISE: Layers and flow features in Protonilus Mensae

Posted on April 20, 2018 by rburnham

Layers and flow features in Protonilus Mensae. Repeat image to look for glacial and periglacial changes. There are also some interesting superposition of glacial, polygon, gully, fan, and crevasse features. Who wants to take a hike? Beautiful Mars series. [More … Continue reading →

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HiRISE: Chaos terrain

Posted on April 20, 2018 by rburnham

This image shows chaos terrain on Mars’ equator. NB: HiRISE has not been allowed to acquire off-nadir targeted observations for a couple of months due to MRO spacecraft issues, so many high-priority science objectives are on hold. What can be … Continue reading →

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HiRISE: Diverse lithologies on a crater floor

Posted on April 19, 2018 by rburnham

This image shows bedrock units with diverse colors indicating different mineral concentrations. NB: HiRISE has not been allowed to acquire off-nadir targeted observations for a couple of months due to MRO spacecraft issues, so many high-priority science objectives are on … Continue reading →

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HiRISE: Curved ridge and layered materials

Posted on April 19, 2018 by rburnham

Curved ridge and layered materials. Is the curved ridge a remnant of inverted stream channel sediment, crater ejecta, or something else (e.g., tectonic)? Are the layered materials sedimentary rock? Beautiful Mars series.

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