Tag Archives: ground ice

HiRISE: Crater immediately east of Biblis Patera

A crater immediately to the east of Biblis Patera. Some questions include: (a) what is the “deposit” on the west side of the crater, seeming to cover the wall/floor interface? (b) what is the floor material; did lava come up … Continue reading

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HiRISE: Gullies and crevasses on a mesa

Gullies and crevasses on a mesa. Beautiful Mars series. [More at links]

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THEMIS: Sinuous features hint at ground ice

THEMIS Image of the Day, November 8, 2018. This VIS image is located in an unnamed crater in Noachis Terra. The sinuous feature near the bottom of the crater rim appears to have been caused by down slope movement of … Continue reading

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THEMIS: Soft-featured craters in Arcadia Planitia

THEMIS Image of the Day, October 19, 2018. This false-color VIS image shows some of the plains and craters located in Arcadia Planitia. The soft-looking features in the impact craters indicate ground ice at shallow depths below the surface. In … Continue reading

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THEMIS: Granicus Valles in false color

THEMIS Image of the Day, October 15, 2018. This VIS image shows some of the complex channels that make up Granicus Valles. This channel system is located west of Elysium Mons. The THEMIS VIS camera contains 5 filters. The data … Continue reading

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HiRISE: Crazy terrain in Utopia

That crazy terrain. This is the floor of a crater in Utopia Planitia. Beautiful Mars series. [More at links]

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THEMIS: Crosscross tectonics in Lycus Sulci

THEMIS Image of the Day, August 14, 2018. Lycus Sulci is a very complex region surrounding the northern and western flanks of Olympus Mons. This VIS image shows some of the tectonic features found in Lycus Sulci as well as … Continue reading

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THEMIS: Active dunes and ground-ice creep

THEMIS Image of the Day, August 3, 2018. This VIS image is located in the region between northern Terra Sabaea and Utopia Planitia. This unnamed crater contains a small, dark dune field. Darkness suggests the dunes are dust-free, hence probably … Continue reading

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HiRISE: Scarp monitoring

Scarp monitoring. The “blue” in enhanced color could be seasonal frost or perhaps ground ice. We’ll be monitoring this site for one Mars year (two Earth years) to see any changes that helps us figure out what kind of ice this … Continue reading

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THEMIS: The bumpy hills of Arcadia Planitia

THEMIS Image of the Day, June 21, 2018. The hills in this VIS image are part of mound located in Arcadia Plantia. Just west of these hills is a long region of grouped hills called Phlegra Montes. The soft contours, … Continue reading

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