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Tag Archives: RSL
HiRISE: The Case of the Lurking Frost
HiRISE and the Case of the Lurking Frost. Sheltered by these cliffs, we can see frost build up, along with lots of sedimentary rocks. This area is also a good candidate for recurring slope lineae. Beautiful Mars series. [More at … Continue reading
Posted in Reports
Tagged Beautiful Mars, frost, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, recurring slope lineae, RSL, sedimentary deposits, University of Arizona
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HiRISE: Slopin’ around
Slopin’ around. We’ve imaged recurring slope lineae in this area, but with a twist: the RSL here are east- and northeast-facing, which makes them more unique as there actually aren’t that many east-facing RSL anywhere on the planet. Plus, the bedrock … Continue reading
Posted in Reports
Tagged Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, recurring slope lineae, RSL, University of Arizona
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HiRISE: Strata always have a story
Strata always have a story. This area is located within the massive Valles Marineris canyon system, and was suggested to monitor for recurring slope lineae on a slope to the south, but we thought the gorgeous bedrock deserved to be … Continue reading
Posted in Reports
Tagged Beautiful Mars, bedrock, High Resolution Imaging Science Experiment, HiRISE, layers, Mars Reconnaissance Orbiter, MRO, NASA, recurring slope lineae, RSL, strata, University of Arizona, Valles Marineris
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RSLs are flowing sand, not water?
Dark features previously proposed as evidence for significant liquid water flowing on Mars have now been identified as granular flows, where sand and dust move rather than liquid water, according to a new article published in Nature Geoscience by the … Continue reading
Water ice is buried near Mars equator in small areas
A re-analysis of data from the Neutron Spectrometer on NASA’s Mars Odyssey orbiter has nearly doubled the data’s resolution. The higher-resolution data show that small deposits of water ice lie buried at shallow depths near the martian equator in several … Continue reading
Posted in Reports
Tagged Cerberus Fossae, Elysium Mons, Elysium Planitia, Mars Odyssey, Medusae Fossae formation, MFF, Neutron Spectrometer, recurring slope lineae, RSL
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HiRISE: Gullies and craters and dunes, oh my!
This unnamed, approximately 30-kilometer diameter crater, formed in the Southern highlands of Mars. Our image shows regions of geologic diversity within, making this an interesting spot for scientists to study how different Martian processes interact with each other. Gullies, or … Continue reading
Posted in Reports
Tagged dunes, gullies, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, mass wasting, MRO, NASA, recurring slope lineae, RSL, University of Arizona
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HiRISE: Active flows on steep slopes in Ganges Chasma
This image covers a steep west-facing slope in southwestern Ganges Chasma, north of the larger canyons of Valles Marineris. The spot was targeted both for the bedrock exposures and to look for active slope processes. We see two distinct flow … Continue reading
Posted in Reports
Tagged Ganges Chasma, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, recurring slope lineae, RSL, seasonal flows, University of Arizona, Valles Marineris
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HiRISE: Seasonal flows in Valles Marineris
Recurring slope lineae (RSL) are seasonal flows on warm slopes, and are especially common in central and eastern Valles Marineris. This image covers a large area full of interesting features, but the enhanced color closeup highlight some of the RSL. … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, recurring slope lineae, RSL, University of Arizona, Valles Marineris
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HiRISE: Colorful equatorial gullies in Krupac Crater
Although large gullies (ravines) are concentrated at higher latitudes, there are gullies on steep slopes in equatorial regions. An enhanced-color closeup shows part of the rim and inner slope of Krupac Crater located just 7.8 degrees south of the equator. … Continue reading
Posted in Reports
Tagged gullies, High Resolution Imaging Science Experiment, HiRISE, Krupac Crater, Mars Reconnaissance Orbiter, MRO, NASA, recurring slope lineae, RSL, University of Arizona
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HiRISE: Seasonal flows on warm slopes
Recurring Slope Lineae (called “RSL”) are seasonally-repeating dark flows that are active at the warmest times of the year. Some of these grow from the top of the steep slope downwards as expected for liquid or granular flows. Others show … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, recurring slope lineae, RSL, University of Arizona
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