Tag Archives: HiPOD

HiRISE: Dust devils dancing on dunes

Posted on July 22, 2019 by rburnham

Dust devils dancing on dunes. Dust devils make dark, diffuse scribble markings on the surface by kicking up dust, and are especially active in the summertime over dark surfaces, such as those with many deposits of sand-sized material. HiRISE Picture … Continue reading →

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HiRISE: Massif beauty

Posted on July 19, 2019 by rburnham

Massif beauty. We have two simple objectives with this image: to fill in gaps of coverage of this area in Coprates Chasma and to look for colorful slopes of mafic materials. (“Mafic” refers to a silicate mineral or igneous rock … Continue reading →

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HiRISE: Proctor Crater dune field

Posted on July 18, 2019 by rburnham

Proctor Crater dune field. The dune field here in Proctor Crater is about 35 x 65 kilometers in size, and was one of the first sand dune fields ever recognized on Mars based on Mariner 9 images. HiRISE Picture of … Continue reading →

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HiRISE: Dunes within Arkhangelsky Crater

Posted on July 17, 2019 by rburnham

Dunes within Arkhangelsky Crater. Dark sand patches and dunes are likely to be active on the floor deposits of this 117-kilometer diameter impact crater. An additional goal is to look for changes from earlier HiRISE images. HiRISE Picture of the … Continue reading →

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HiRISE: A fresh crater in periglacial terrain

Posted on July 16, 2019 by rburnham

A fresh crater in periglacial terrain. This appears to be a relatively fresh crater in what is called periglacial terrain. Could any changes in the surface be related to ice? (Periglacial refers to an area adjacent to a glacier or … Continue reading →

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HiRISE: Springtime for Russell Crater

Posted on July 15, 2019 by rburnham

Springtime for Russell Crater. Russell Crater is another favorite of ours, not only for its beauty, but also for the information it provides us for any changes due to sublimation, when a solid state changes directly to a gaseous one. … Continue reading →

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HiRISE: This far and no further!

Posted on July 12, 2019 by rburnham

This far and no further! The very top of this image shows the edge of ancient lava flow that went no further across the plain. It’s also a natural boundary in the reflectivity (albedo) of the surface. HiRISE Picture of … Continue reading →

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HiRISE: Terraced trough near Ceraunius Fossae

Posted on July 11, 2019 by rburnham

A terraced trough near Ceraunius Fossae. This may be a source region of flow material that enclosed the adjacent raised ridges and continues on to the north. High resolution can help to determine if the terraced forms are due to … Continue reading →

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HiRISE: Watching the dune gullies

Posted on July 10, 2019 by rburnham

Watching the dune gullies. When dune gullies are as gorgeous as these, it’s an easy thing to want to continue to observe them for any seasonal changes. These are located in Matara Crater, a region that we’ve monitored before many … Continue reading →

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HiRISE: Exposed material southwest of an impact crater

Posted on July 9, 2019 by rburnham

Exposed material southwest of an impact crater. This terrain is right at the edge of the ejecta blanket of an impact crater to the south of Louros Valles, which itself is on the southern edge of Ius Chasma and was … Continue reading →

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