Tag Archives: HiRISE

HiRISE: Along a scarp

Along a scarp. All along this section of scarp of a canyon in Kasei Valles, there appears to be a lobe-shaped margin of something (lava? mud? flood sediments?) that flowed into this trough, coated the floor and subsequently drained. What’s … Continue reading

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HiRISE: Volcanic field on floor of Coprates Chasma

A volcanic field on the floor of Coprates Chasma. In this image, there are some nice cones with summit craters surrounded by a flow field. They look young, but they could have been buried and re-exhumed based on nearby pedestal … Continue reading

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HiRISE: Uncommon

Uncommon. Craters are, of course, common on Mars, but what is interesting about this one is that the impact excavated some uncommon hydrous minerals. Also, the image suggester’s name is John Carter. Make of that what you will. HiRISE Picture … Continue reading

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HiRISE: Cratered cones on northern plains

Cratered cones on northern plains. The title alone sounds delicious. These cratered cones might be mud volcanoes, landforms created by the eruption of mud or slurries, water and gases. No lava involved. HiRISE Picture of the Day archive. [More at … Continue reading

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HiRISE: A channel in the southern mid-latitudes

A channel in the southern mid-latitudes. The objective of this observation is to examine a channel on the eastern side of an eroded crater wall. This scene was also imaged by the Context Camera onboard MRO. HiRISE Picture of the … Continue reading

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HiRISE: Landing in Oxia Palus

This image shows a cratered area to the southeast of the ExoMars 2020 Rosalind Franklin rover landing site at Oxia Palus. Selecting and characterizing landing sites is a balance between having science targets and avoiding potential obstacles, and HiRISE is … Continue reading

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HiRISE: Dune footprints in Hellas Planitia

These curious chevron shapes in southeast Hellas Planitia are the result of a complex story of dunes, lava, and wind. Long ago, there were large crescent-shaped (barchan) dunes that moved across this area, and at some point, there was an … Continue reading

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HiRISE: Rhythmic layers east of Medusae Fossae

The surface of this image looks wavy, like that of the sea. These wave shapes are the result of erosion: the removal of material, which has been ongoing for millions, if not billions, of years. This erosion is likely performed … Continue reading

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HiRISE: Tooting Crater ejecta

In this picture we can see a huge tongue-like form, which looks a like a mudflow with boulders on its surface. This “tongue” is only a small part of a larger deposit that completely surrounds Tooting Crater (not visible in … Continue reading

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HiRISE: Wisps

Wisps. This rough terrain with prominent, wispy dust streaks is within Mangala Valles. Mangala Valles is a complex system of criss-crossing channels on Mars, located in the Tharsis region. HiRISE Picture of the Day archive. [More at links]

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