Tag Archives: hills

THEMIS: Northern Terra Sabaea in false color

THEMIS Image of the Day, March 25, 2019. This false-color VIS image shows part of northern Terra Sabaea. Blue tones in false-color images usually indicate basaltic sand. The THEMIS VIS camera contains 5 filters. The data from different filters can … Continue reading

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HiRISE: We found geology in a chaotic place

We found geology in a chaotic place. The terrain here lives up to its description as “chaotic:” we see small hills, mesas, buttes and valleys. This area is called Oxia Palus, and its debris likely came from Ravi Vallis, which … Continue reading

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THEMIS: Bumpy hills of Arianes Colles

THEMIS Image of the Day, March 18, 2019. Today’s VIS image shows part of Ariadnes Colles. The term colles means hills or knobs. The hills appear brighter than the surrounding lowlands, likely due to relatively less dust cover. Ariadnes Colles … Continue reading

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THEMIS: Field of hills in Terra Cimmeria

THEMIS Image of the Day, November 21, 2018. This image is located in Terra Cimmeria. The bright, irregular features are hills. This part of Terra Cimmeria is made up mostly by flat lying plains, with no other hills in the … Continue reading

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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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