Tag Archives: craters

THEMIS: False-color craters and plains in Terra Cimmeria

Posted on August 31, 2018 by rburnham

THEMIS Image of the Day, August 31, 2018. Today’s false color image shows several craters and plains of Terra Cimmeria. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, craters, false color, Mars Odyssey, NASA, plains, Terra Cimmeria, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System | Comments Off

THEMIS: Daedalia Planum crater

Posted on July 30, 2018 by rburnham

THEMIS Image of the Day, July 30, 2018. This VIS image shows part of an unnamed crater on the northwest margin of Daedaia Planum. Lava flows are visible around the crater rim. The interior of the crater has been filled … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, craters, Daedalia Planum, lava flows, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics, wind erosion, yardangs | Comments Off

HiRISE: Cored island

Posted on July 16, 2018 by rburnham

Cored island. This channel may have been used by both lava and water. One of the processes produced a crater-cored island and later, the downstream side was eroded away, leaving knobs and an inverted streamlined form. Beautiful Mars series. [More … Continue reading →

Posted in Reports | Tagged Beautiful Mars, craters, fluvial channels, High Resolution Imaging Science Experiment, HiRISE, lava flows, Mars Reconnaissance Orbiter, MRO, NASA, streamlined islands, University of Arizona | Comments Off

HiRISE: Lava-coated craters

Posted on July 13, 2018 by rburnham

Lava-coated craters. The larger crater looks normal–dimpled depression with a protruding rim barely covered by lava which later deflated. The smaller depression looks deeper and steeper-sided, and the rim does not protrude, so it is probably below the level of … Continue reading →

Posted in Reports | Tagged Beautiful Mars, craters, Elysium Planitia, High Resolution Imaging Science Experiment, HiRISE, lava flows, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, volcanics | Comments Off

THEMIS: Impact blast scars on crater rim

Posted on June 12, 2018 by rburnham

THEMIS Image of the Day, June 12, 2018. Today’s VIS image shows part of a crater located north of Hecates Tholus. The radial grooves in the ejecta blanket are still visible around the crater rim. There is also likely blast … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, craters, Hecates Tholus, impact craters, impact processes, impacts, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System | Comments Off

HiRISE: Clays in a grouping of small craters

Posted on May 2, 2018 by rburnham

Clays in a grouping of small craters. Beautiful Mars series. [More at links]

Posted in Reports | Tagged Beautiful Mars, clay minerals, craters, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, phyllosilicates, University of Arizona | Comments Off

THEMIS: Old craters in an even older land

Posted on April 16, 2018 by rburnham

THEMIS Image of the Day, April 16, 2018. This VIS image shows several craters. The interior of the central one has retained much of the original topography, including the central peak. The floor has not been smoothed by deposits of … Continue reading →

Posted in Reports | Tagged Arabia Terra, Arizona State University, ASU, craters, Mars Odyssey, NASA, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System | Comments Off

HiRISE: Crater watchin’ in northeast Syrtis Major

Posted on April 5, 2018 by rburnham

Crater watchin’ in northeast Syrtis Major region. The dunes within the crater are fascinating for their cell shapes, caused by the wind. Beautiful Mars series.

Posted in Reports | Tagged Beautiful Mars, craters, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, NE Syrtis Major, sand dunes, Syrtis Major, University of Arizona, wind | Comments Off

HiRISE: Wonderfully eye-like

Posted on April 3, 2018 by rburnham

Wonderfully eye-like. Beautiful Mars series.

Posted in Reports | Tagged Beautiful Mars, craters, dunes, Elysium Planitia, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona | Comments Off

HiRISE: Mid-latitude crater with a spot in the middle

Posted on April 2, 2018 by rburnham

A mid-latitude crater with a spot in the middle. From orbit, the spot looks black, but we can see in the enhanced color closeup that it’s darker (basaltic?) material on top of the lighter dunes. Beautiful Mars series.

Posted in Reports | Tagged basaltic sand, Beautiful Mars, craters, dunes, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona | Comments Off

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