Tag Archives: hills

HiRISE: Knobs on the rim of a circular feature

Knobs on the rim of a circular feature. And there might be clays on this cluster of knobs which as a unit, look very interesting. Beautiful Mars series. [More at links]

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THEMIS: Basaltic sand amid hills in Terra Sabaea

THEMIS Image of the Day, September 14, 2018. Today’s VIS image shows part of northern Terra Sabaea, where hills are common. The blue tones are usually locations of basaltic sand. The THEMIS VIS camera contains 5 filters. The data from … Continue reading

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HiRISE: Hills and mesas

Hills and mesas. Beautiful Mars series. [More at links]

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THEMIS: Collapsing ground in Margaritifer Chaos

THEMIS Image of the Day, June 26, 2018. Today’s VIS image shows a small section on Margaritifer Chaos. The term chaos is applied to regions where the surface is being eroded to form mesas. As the surface processes continue individual … Continue reading

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HiRISE: Hills in Ganges Chasma

The hills in Ganges Chasma.¬†Ganges Chasma is in the northeast portion of Valles Marineris, and opens into outflow channels that flowed to the north. Scattered hills on the canyon floor may be remnants of chaos terrain that formed from collapse … Continue reading

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HiRISE: Stair-stepped hill in central Arabia Terra

Stair-stepped hill in central Arabia Terra. Stratified material eroded so as to look something like a wedding cake. A cliff-bench slope expression, apparently mantled with dust, each layer is roughly the same thickness as the next. Beautiful Mars series. [More … Continue reading

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THEMIS: Softly rounded hills in Phlegra Montes

THEMIS Image of the Day, April 25, 2018. The rounded hills in this VIS image are located in Arcadia Planitia. Broad linear ridges and groups of hills in this region are part of Phlegra Dorsa (ridges) and Phlegra Montes (hills). … Continue reading

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THEMIS: Arabia Terra dune field in false color

THEMIS Image of the Day, March 23, 2018. This is a false color image of the dune field in the Arabia Terra crater. In this combination of bands, sand appears as a blue to dark blue color. In this image, … Continue reading

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THEMIS: Crater feeding sand into big dune field

THEMIS Image of the Day, March 22, 2018. The small crater in the image of the image is at the upwind side of the dune field. There is a considerable amount of sand within the crater, with a relatively smooth … Continue reading

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THEMIS: Finger-like dunes creep across Arabia Terra crater floor

THEMIS Image of the Day, March 21, 2018. This image is located southeast of the region of the large sand dune deposit. Here there is still limited amounts of available sand and the dunes formed are smaller individual features. The … Continue reading

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