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Tag Archives: University of Arizona
HiRISE: The floor of a crater in the Phlegra region
The floor of a crater in the Phlegra region. The objective of this observation is to examine this crater floor that not only cracks in it, but also what looks like lava piled up in one area. HiRISE Picture of … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, lava flows, Mars Reconnaissance Orbiter, MRO, NASA, Phlegra Montes, University of Arizona
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HiRISE: Hephaestus Fossae pits
Hephaestus Fossae pits. The Hephaestus Fossae are a system of troughs and channels that are about 604 kilometers in length. The fossae have been tentatively identified as outflow channels, but their origin and evolution remain ambiguous. HiRISE Picture of the … Continue reading
Posted in Reports
Tagged channels, collapse features, Hephaestus Fossae, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, MRO, NASA, troughs, University of Arizona
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HiRISE: Slope monitoring
Slope monitoring. The recurring slope lineae (RSL) in this image are large and have high contrast. Most importantly, we see multiple examples of RSL flowing on bedrock, alternating between bedrock and regolith and bedrock and regolith, and regolith only. Do … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, Melas Chasma, MRO, NASA, recurring slope lineae, RSL, University of Arizona
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HiRISE: In the land of Terra Sabaea
In the land of Terra Sabaea. The rationale for this observation is to look at the fluvial features and diverse composition of the terrain. Terra Sabaea is fairly large and parts of it are found in five quadrangle regions of … Continue reading
Posted in Reports
Tagged fluvial landforms, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, MRO, NASA, Terra Sabaea, University of Arizona
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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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HiRISE: Terrain near Idaeus Fossae
Terrain near Idaeus Fossae. Many valleys occur all over Mars that reveal an extensive ancient history of liquid water erosion. While these valley systems are typically now covered with fine soils and sand dunes, the overall scale and shape of … Continue reading
Posted in Reports
Tagged climate change, fluvial erosion, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Idaeus Fossae, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, valleys
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HiRISE: Mounds in depressions in Deuteronilus Mensae
Mounds in depressions in Deuteronilus Mensae. The objective of this observation is to determine the nature of round mounds in depressions. The depressions may be part of the ribbed upper plains unit. Some of the edges of the depressions are … Continue reading
Posted in Reports
Tagged Deuteronilus Mensae, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, ice mounds, Mars Reconnaissance Orbiter, mounds, MRO, NASA, periglacial processes, periglacial terrain, University of Arizona
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HiRISE: Ridges in southern Claritas Fossae
Ridges in southern Claritas Fossae. The objective of this observation is to determine the nature of a small field of curved ridges. They may be inverted streams. Claritas Fossae is a densely-dissected highland terrain on the Tharsis Rise of Mars, … Continue reading
Posted in Reports
Tagged Claritas Fossae, High Resolution Imaging Science Experiment, HiPOD, HiRISE, HiRISE Picture of the Day, Mars Reconnaissance Orbiter, MRO, NASA, Tharsis Montes, University of Arizona
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HiRISE: A frosted surface
This is the first of a new monitoring series to track seasonal processes. It is also a striking image with late winter angled illumination over dunes covered by carbon dioxide frost mixed with dust. Dark spots may be where sand … Continue reading
Posted in Reports
Tagged carbon dioxide ice, CO2 frost, dust, High Resolution Imaging Science Experiment, HiRISE, Mars Reconnaissance Orbiter, MRO, NASA, north polar region, north polar sand sea, University of Arizona
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