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Tag Archives: climate cycles
HiRISE: Korolev Crater layers
Korolev Crater layers. With HiRISE resolution, paleoclimate analysis can be done to determine the possible climate record held within ice mounds, like those here. Beautiful Mars series. [More at links]
Posted in Reports
Tagged Beautiful Mars, climate cycles, High Resolution Imaging Science Experiment, HiRISE, ice mounds, Korolev Crater, layered deposits, layers, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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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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History of Mars’ water, seen through the lens of Gale Crater
The surface of Mars today is cold, dry, and inhospitable to life. But was it always so? Past research indicates that the Red Planet may have been a very different world more than 3 billion years ago, with warmer weather, … Continue reading
Posted in Reports
Tagged Aeolis Mons, calcium sulfates, climate change, climate cycles, Curiosity, Gale Crater, Mars Science Laboratory, Mount Sharp, MSL, NASA, Vera Rubin Ridge, water
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Valley networks point to much wetter past
A new study led by Northern Illinois University geography professor Wei Luo calculates the amount of water needed to carve the ancient network of valleys on Mars and concludes the Red Planet’s surface was once much more watery than previously … Continue reading
THEMIS: South polar cap layers
THEMIS Image of the Day, March 3, 2017. This VIS image shows the layering of the South Polar cap of Mars. The image is located at the margin between the cap ice and the surrounding plains (bottom of image). More … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, climate cycles, Mars Odyssey, NASA, south polar ice cap, south polar layered deposits, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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THEMIS: Pages from the south polar climate history book
THEMIS Image of the Day, February 22, 2017. Today’s VIS image shows part of the south polar cap. It is now summer in the region and the surface frosts are gone. The layers of ice comprising the cap are now … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, climate change, climate cycles, Mars Odyssey, NASA, south polar ice cap, south polar layered deposits, south polar residual cap, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System
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Early Mars climate changes driven by carbonate – silicate cycle
Dramatic climate cycles on early Mars, triggered by buildup of greenhouse gases, may be the key to understanding how liquid water left its mark on the planet’s surface, according to a team of planetary scientists. Scientists have long debated how … Continue reading