Tag Archives: High Resolution Imaging Science Experiment

HiRISE: Quite smoooooth

Posted on April 22, 2019 by rburnham

Quite smoooooth. Here in Deuteronilus Mensae, there is a smooth geologic unit overlying plains material. There are also slightly convex-up edges, polygonal patterns on the surface, and softened craters. HiRISE Picture of the Day archive. [More at links]

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HiRISE: Bedrock on the floor of Kaiser Crater

Posted on April 19, 2019 by rburnham

HiRISE has often imaged inside Kaiser Crater to monitor active sand dunes and gullies. Surrounding these dunes, we often find clean bedrock exposures, because the actively moving sand clears off the dust. Kaiser Crater is 207 kilometers wide and was … Continue reading →

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HiRISE: Pits and depressions to the east of Juventae Chasma

Posted on April 18, 2019 by rburnham

Pits and depressions to the east of Juventae Chasma. Juventae Chasma is a large box canyon, located north of Valles Marineris in the Coprates quadrangle and cuts more than 5 kilometers into the plains of Lunae Planum. HiRISE Picture of … Continue reading →

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HiRISE: Abstract art in Ius Chasma

Posted on April 18, 2019 by rburnham

Sometimes Mars’ surface is just beautiful as seen through the eyes of HiRISE. This is one example on the floor of Ius Chasma, part of Valles Marineris. The region has had a complex history of sediment deposition, deformation, erosion, and … Continue reading →

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HiRISE: Landslides in Cerberus Fossae

Posted on April 17, 2019 by rburnham

Cerberus Fossae is a steep-sided set of troughs cutting volcanic plains to the east of Elysium Mons. Steep slopes on Mars have active landslides (also called “mass wasting”), and here we see evidence for two types of activity. First, the … Continue reading →

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HiRISE: Impact-induced dust avalanches

Posted on April 16, 2019 by rburnham

HiRISE has been imaging new dark features discovered by MRO’s Context Camera, which are mostly new impact sites. In this scene we see what appears to be a new impact cluster and, extending downhill from the craters, new dark slope … Continue reading →

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HiRISE: Gullies on Gorgonum Chaos mesas

Posted on April 15, 2019 by rburnham

Gullies on Gorgonum Chaos mesas. This observation shows part of Gorgonum Chaos, a large cluster of chaotic terrain found in the Southern Hemisphere. Many regions of chaotic terrain are found at the head of large outflow channels that were scoured … Continue reading →

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HiRISE: Pits and flows

Posted on April 12, 2019 by rburnham

Pits and flows. This observation shows smooth-textured flows on the plateau south of the collapse pit chain of Ophir Catena. HiRISE Picture of the Day archive. [More at links]

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HiRISE: Channels in Tisia Valles

Posted on April 11, 2019 by rburnham

Channels in Tisia Valles. The objective of this observation is to examine a small channel system. Located to the immediate northwest of Huygens Crater, Tisia Valles is named after the ancient term for the modern Tisza River, Ukraine. HiRISE Picture … Continue reading →

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HiRISE: Dunes in low southern latitudes

Posted on April 10, 2019 by rburnham

Dunes in low southern latitudes. The objective of this observation is to examine a small field of dunes. HiRISE Picture of the Day archive. [More at links]

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