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Tag Archives: crater lakes
HiRISE: Layers in Tikhonravov
Layers in Tikhonravov. The objective of this observation is to examine layers outside of a crater within the 344-kilometer diameter Tikhonravov Crater. Tikhonravov is believed to have once held a giant lake and was named after Mikhail Tikhonravov, a Russian … Continue reading
The evolution of Endeavour Crater
[Editor’s note: From a paper by Madison Hughes and five co-authors recently published in the Journal of Geophysical Research.] Degradation of Endeavour Crater Based on Orbital and Rover‐Based Observations in Combination With Landscape Evolution Modeling • Landscape evolution modeling indicates … Continue reading
Posted in Reports
Tagged Bopolu Crater, Burns Formation, Cape Byron, Cape Dromedary, Cape Tribulation, crater lakes, Endeavour Crater, fluvial erosion, Grasberg Formation, Marathon Valley, Mars Exploration Rover, MER, NASA, Opportunity, Perseverance Valley, wind erosion
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HiRISE: Collapsed material on the floor of Orson Welles Crater
Collapsed material on the floor of Orson Welles Crater. This observation captures collapsed blocks of material on floor of Orson Welles Crater. Layers and the clay minerals found in this 125-kilometer crater are evidence that it once contained a lake. … Continue reading
Posted in Reports
Tagged clay minerals, crater lakes, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, layered deposits, Mars Reconnaissance Orbiter, MRO, NASA, Orson Welles Crater, University of Arizona
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Geology and astrobiology of McLaughlin Crater
[Editor’s note: From a paper by Joseph Michalski and seven co-authors recently published in the Journal of Geophysical Research.] The Geology and Astrobiology of McLaughlin Crater, Mars: An Ancient Lacustrine Basin Containing Turbidites, Mudstones, and Serpentinites • McLaughlin crater contained … Continue reading
Posted in Reports
Tagged astrobiology, crater lakes, deltas, hydrothermal systems, McLaughlin Crater, mudstones, serpentinite, turbidites
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HiRISE: In Tikhonravov Crater
In Tikhonravov Crater. Tikhonravov is 386 kilometers in diameter and was named after Mikhail Tikhonravov, a Russian rocket scientist. It’s thought to have once held a giant lake that drained into the 4,500-kilometer long Naktong-Scamander-Mamers lake-chain system. Beautiful Mars series. … Continue reading
Posted in Reports
Tagged Beautiful Mars, crater lakes, High Resolution Imaging Science Experiment, HiRISE, Mamers Valles, Mars Reconnaissance Orbiter, MRO, Naktong Vallis, NASA, Scamander Vallis, Tikhonravov Crater, University of Arizona
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Overflowing crater lakes carved Mars canyons
Today, most of the water on Mars is locked away in frozen ice caps. But billions of years ago it flowed freely across the surface, forming rushing rivers that emptied into craters, forming lakes and seas. New research led by … Continue reading
HiRISE: Three channels exiting a crater lake
This image shows a roundish crater with three channels breaching the rim and extending to the south. The crater has been filled by sediments and may have been an ancient lake. When the water began to overtop the crater rim, … Continue reading
Posted in Reports
Tagged Beautiful Mars, crater lakes, fluvial channels, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona
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HiRISE: Crater tadpoles
This impact crater looks amusingly like a tadpole because of the valley that was carved by water that used to fill it. When the water level inside the crater increased, it breached the crater wall, flowed outward and formed a … Continue reading
Posted in Reports
Tagged channels, crater lakes, fluvial channels, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, valleys
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Curiosity peels back layers on ancient martian lake
A long-lasting lake on ancient Mars provided stable environmental conditions that differed significantly from one part of the lake to another, according to a comprehensive look at findings from the first three-and-a-half years of NASA’s Curiosity rover mission. Different conditions … Continue reading
Posted in Reports
Tagged Aeolis Mons, crater lakes, Curiosity, Gale Crater, Mars Science Laboratory, Mount Sharp, MSL, NASA, Yellowknife Bay
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High-silica rock ‘halos’ widen timeframe for possible Mars life
Lighter-toned bedrock that surrounds fractures and comprises high concentrations of silica — called “halos”— has been found in Gale crater on Mars, indicating that the planet had liquid water much longer than previously believed. The new finding is reported in … Continue reading
Posted in Reports
Tagged Aeolis Mons, crater lakes, Curiosity, Gale Crater, Mars Science Laboratory, Mount Sharp, MSL, Murray Formation, NASA, silica, silica minerals
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