Tag Archives: dunes

THEMIS: Crater interior

Posted on March 21, 2016 by rburnham

THEMIS Image of the Day, March 21, 2016. Today’s VIS image shows the interior of an unnamed crater near Nili Fossae. The central feature of the crater is a peak with a central low pit that was created by rebound … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, central peaks, dunes, Mars Odyssey, NASA, Nili Fossae, THEMIS, Thermal Emission Imaging System | Comments Off

HiRISE: Ice amid polar dunes

Posted on March 16, 2016 by rburnham

Atypical landform among dunes in a polar erg — There is a very unusual ice formation apparently growing in a flat spot between dunes of the polar erg. Located on the actual dune material and not in the inter-dune material. Beautiful … Continue reading →

Posted in Reports | Tagged Beautiful Mars, dunes, erg, High Resolution Imaging Science Experiment, HiRISE, ice, Mars Reconnaissance Orbiter, MRO, NASA, north polar sand sea, polar dunes, sand dunes, University of Arizona | Comments Off

THEMIS: Coprates Chasma – false color

Posted on March 11, 2016 by rburnham

THEMIS Image of the Day, March 11, 2016. Today’s false color image shows part of the floor of Coprates Chasma. Small dark dunes are visible in the center of this image. The THEMIS camera contains 5 filters. The data from … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, basaltic sand, Coprates Chasma, dunes, Mars Odyssey, NASA, THEMIS, Thermal Emission Imaging System | Comments Off

HiRISE: Southern floor of Gale Crater

Posted on March 10, 2016 by rburnham

This image along the southern interior floor of Gale Crater hosts many different landforms. Light-toned, scabby, and presumably hydrated materials on the crater floor are covered by large, darker-toned dunes. The small crater, about 2 kilometers in diameter, in the … Continue reading →

Posted in Reports | Tagged dunes, Gale Crater, High Resolution Imaging Science Experiment, HiRISE, hydrated minerals, Mars Reconnaissance Orbiter, MRO, NASA, sand dunes, University of Arizona | Comments Off

HiRISE: The dune sea of Ganges Chasma

Posted on March 10, 2016 by rburnham

This image is at the eastern edge of a very large deposit of wind-blown dust that occupies Ganges Chasma. This thick deposit surrounds hills and mesas that rise up through it. We can tell from the patterns that the wind … Continue reading →

Posted in Reports | Tagged dunes, dust, dust dunes, eolian processes, Ganges Chasma, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, sand dunes, University of Arizona | Comments Off

THEMIS: Crater dunes

Posted on February 29, 2016 by rburnham

THEMIS Image of the Day, February 29, 2016. This VIS image shows a small crater located on the floor of a larger crater. Sand dunes are visible on the floors of both craters. These unnamed craters are located in Arabia … Continue reading →

Posted in Reports | Tagged Arabia Terra, Arizona State University, ASU, dunes, Mars Odyssey, NASA, sand dunes, THEMIS, Thermal Emission Imaging System | Comments Off

HiRISE: Summer sand dunes

Posted on February 24, 2016 by rburnham

Mars’ permanent North Polar cap is ringed by sand dunes. In the winter and spring the dunes are covered by a seasonal cap of dry ice. Here, we see the dark dunes in the summer, bare of seasonal frost. Two … Continue reading →