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Tag Archives: glaciers
Warmer, wetter early Mars: a geological and climatological case
The climate of early Mars is a subject of debate. While it has been thought that Mars had a warm and wet climate, like Earth, other researchers suggested early Mars might have been largely glaciated. A recent study by Ramses … Continue reading
Posted in Reports
Tagged climate change, climate cycles, glaciers, ice, valley networks
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THEMIS: Ice-choked Mamers Valles
THEMIS Image of the Day, March 27, 2018. Today’s VIS image shows a section of Mamers Valles, located in Arabia Terra. The smooth material with flowlines that fills the valley channel is likely glacier ice, similar to valley glaciers in … Continue reading
Posted in Reports
Tagged Arabia Terra, Arizona State University, ASU, glaciers, Mamers Valles, Mars Odyssey, mid-latitude glaciers, NASA, rock glaciers, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, valleys
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Geologically recent glacial melting on Mars
Planetary Geomorphology Image of the Month, March 1, 2018: Frances E.G. Butcher (Open University, Milton Keynes, UK). Thousands of putative debris-covered glaciers in Mars’ middle latitudes host water ice in volumes comparable to that of all glaciers and ice caps … Continue reading
Posted in Reports
Tagged eskers, glaciers, mid-latitude glaciers, periglacial processes, periglacial terrain, Tempe Terra
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THEMIS: Dunes on floor of Moreux Crater
THEMIS Image of the Day, November 16, 2017. This image of Moreux Crater shows part of the central peak and sand dunes on the crater floor surrounding the peak. The crater rim is at the bottom right of this image. … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dunes, glaciers, Mars Odyssey, Moreux Crater, NASA, periglacial terrain, pitted terrain, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Pits and dunes near central peak, Moreux Crater
THEMIS Image of the Day, November 15, 2017. This image of Moreux Crater shows part of the central peak and fields of sand dunes on the crater floor surrounding the peak. This image is just north of the previous image … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dunes, glaciers, Mars Odyssey, Moreux Crater, NASA, periglacial terrain, pitted terrain, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Pitted terrain and dunes in Moreux Crater
THEMIS Image of the Day, November 14, 2017. This image of Moreux Crater shows part of the central peak and fields of sand dunes on the crater floor surrounding the peak. The lower elevations of the peak are visible on … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dunes, glaciers, Mars Odyssey, Moreux Crater, NASA, periglacial terrain, pitted terrain, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Moreux Crater’s pocketful of dunes
THEMIS Image of the Day, November 13, 2017. Moreux Crater is located in northern Arabia Terra and has a diameter of 138 kilometers. The crater contains a central peak, and dunes on the floor of the crater. This VIS image … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, dunes, glaciers, Mars Odyssey, Moreux Crater, NASA, sand dunes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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How water could flow on icy early Mars
Research by planetary scientists at Brown University finds that periodic melting of ice sheets on a cold early Mars would have created enough water to carve the ancient valleys and lakebeds seen on the planet today. For scientists trying to … Continue reading
HiRISE: Go with the (bright) flow
Many slopes in the middle latitudes of Mars show icy flows or glaciers. The region shown here, in the south-facing slope of a crater, is unusual because the flows have bright highlights. The color and brightness variations are likely due … Continue reading
Posted in Reports
Tagged glacial deposits, glaciers, High Resolution Imaging Science Experiment, HiRISE, ice, Mars Reconnaissance Orbiter, mid-latitude glaciers, MRO, NASA, University of Arizona
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