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Tag Archives: gullies
THEMIS: Gullies in Noachis Terra
THEMIS Image of the Day, December 10, 2018. Numerous channels, also called gullies, dissect the rim of this unnamed crater in Noachis Terra. (Note that the lighting in this image comes from the lower right.) At upper right lies a … Continue reading
Posted in Reports
Tagged active dunes, Arizona State University, ASU, dunes, gullies, Mars Odyssey, NASA, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Crater-wall gullies in Aonia Terra
THEMIS Image of the Day, December 3, 2018. Today’s VIS image shows an unnamed crater located in Aonia Terra. Numerous gullies dissect the inner crater rim. This crater impacted onto the rim of the much larger Slipher Crater. See more … Continue reading
Posted in Reports
Tagged Aonia Terra, Arizona State University, ASU, gullies, Mars Odyssey, NASA, Slipher Crater, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Gullies etch a crater rim in Terra Cimmeria
THEMIS Image of the Day, November 16, 2018. Multiple gullies dissect the rim of this unnamed crater in Terra Cimmeria. The soft-looking material at the foot of the rim (where it meets the crater floor) may contain buried ice. See … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, gullies, Mars Odyssey, NASA, pasted-on terrain, Terra Cimmeria, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: Monitoring frost in Raga Crater
Monitoring frost in Raga Crater. We’re watching frost up-slope from known new gully flows in Raga. These appear to be distinct from recurring slope lineae we’ve seen in other craters. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, CO2 frost, frost, gullies, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, Raga Crater, recurring slope lineae, RSL, University of Arizona
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HiRISE: Shadowed gullies in Dunkasa Crater
Hide all you want, gullies! That shadow of Dunkasa Crater is no match for us, especially when we can use Photoshop to bring out your enhanced colors. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, Dunkasa Crater, gullies, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, mass wasting, MRO, NASA, University of Arizona
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THEMIS: Crater rim gullies in Terra Sirenum
THEMIS Image of the Day, November 6, 2018. Numerous gullies dissect the northern rim of this unnamed crater in Terra Sirenum. The inside of the north rim faces away from the Sun and is more deeply gullied than the Sun-facing … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, craters, gullies, impact craters, Mars Odyssey, NASA, pasted-on terrain, snowmelt, Terra Sirenum, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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HiRISE: A caldera’s steep slopes
This image shows part of the steep wall of the caldera (a large volcanic crater) at the top of Ascraeus Mons, one of Mars’ giant volcanoes. We can see chutes carved into the soft dust that has built up on … Continue reading
Posted in Reports
Tagged Ascraeus Mons, calderas, gullies, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, volcanics
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HiRISE: Monitoring frost in Corozal Crater
Monitoring frost in Corozal Crater. Corozal Crater has both active gullies and recurring slope lineae. We are monitoring the evolution of seasonal frost, which is the likely trigger for gully activity. Never mind the hulking shadow at the left. Beautiful … Continue reading
Posted in Reports
Tagged Beautiful Mars, Corozal Crater, frost, gullies, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, recurring slope lineae, RSL, University of Arizona
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Trace Gas Orbiter: Frosty crater on Mars
This image shows the south-facing rim of a pit crater at 68°S in the Sisyphi Planum region of Mars. It is a colour composite made from images acquired on 2 September 2018 by the Colour and Stereo Surface Imaging System, … Continue reading
Posted in Reports
Tagged CaSSIS, CO2 frost, CO2 ice, Colour and Stereo Surface Imaging System, ESA, European Space Agency, ExoMars, gullies, Roscosmos, Sisyphi Planum, TGO, Trace Gas Orbiter
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HiRISE: Channels and ripples along crater walls
Channels and ripples along crater walls. From the science rationale: “We would like a HiRISE image of the selected area to look for evidence of both fluvial and aeolian processes on the crater wall. Specifically, we are looking for channels … Continue reading
Posted in Reports
Tagged Beautiful Mars, craters, eolian processes, fluvial processes, gullies, High Resolution Imaging Science Experiment, HiRISE, Isidis Planitia, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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