Tag Archives: Amazonis Planitia

HiRISE: Rising above it in Amazonis Planitia

This image shows a bright, rectangular-looking landform surrounded by a dark floor. How did this feature get here if it looks so different than its surroundings? The feature resembles a plateau. Dark streaks mark steep slopes on its sides while … Continue reading

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THEMIS: Amazonis Planitia in false color

THEMIS Image of the Day, September 21, 2018. This image shows a portion of Amazonis Planitia, part of the vast northern lowlands of Mars. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in … Continue reading

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THEMIS: Wind-driven blowouts in Eumenides Dorsum

THEMIS Image of the Day, August 17, 2018. Eumenides Dorsum is a large linear rise located in southern Amazonis Planitia. Erosion by wind action is prevalent in this region. The horseshoe shaped depressions, called blowouts, indicate the major wind direction … Continue reading

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THEMIS: The many textures of Gordii Dorsum

THEMIS Image of the Day, July 24, 2018. This VIS image is located at the northern end of Gordii Dorsum, where the surface slopes down into southern Amazonis Planitia. Within this image are several different surfaces and textures. At the … Continue reading

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HiRISE: Erosional window into possible playa deposits

An erosional window into possible playa deposits. This is within a large impact crater. Length of layers here might help determine it there is an alluvial or playa origin. Beautiful Mars series. [More at links]

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HiRISE: Obstacles and wakes in lava

Amazonis Planitia is a broad plain on Mars, covered with ancient lava. This image shows an interesting feature of an old lava flow. When it was mostly liquid, the lava had a crust of cooled debris floating on the surface. … Continue reading

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HiRISE: Rafted rock

This area of Amazonis Planitia to the west of the large volcano Olympus Mons was once flooded with lava. A huge eruption flowed out across the relatively flat landscape. Sometimes called “flood basalt,” the lava surface quickly cooled and formed … Continue reading

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HiRISE: Mesa in Amazonis Planitia

A mesa in Amazonis Planitia. Beautiful Mars series.

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HiRISE: Lava that once flowed

This image shows some beautiful lava flows in Amazonis Planitia. Lava isn’t moving around on Mars today, but it certainly once did, and images like this one are evidence of that. A thick lava flow came in from the west, … Continue reading

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HiRISE: Flood lavas and mass extinctions

This entire landscape is covered by lava flows. Almost all of vast Amazonis Planitia is covered by lava flows, an area comparable to that of the entire continental United States. Amazonis Planitia is also one of the flattest places on … Continue reading

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