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Tag Archives: lava tubes
HiRISE: Intersecting channels near Olympica Fossae
This complicated area contains various types of channels, pits and fractures. We can determine the relative ages of the pits and channels based on which features cross-cut others. Older channels appear smooth-edged and shallow. Younger channels and pits are deeper … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, lava channels, lava flows, lava tubes, Mars Reconnaissance Orbiter, MRO, NASA, Olympica Fossae, University of Arizona, volcanics
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THEMIS: Olympica Fossae’s tangled channels
THEMIS Image of the Day, July 15, 2016. Located on the extensive lava plains between Olympus Mons and Alba Mons, these complex intersecting valleys were created by lava flow. Volcanic flows occurred both along the surface and in buried lava … Continue reading
Posted in Reports
Tagged Alba Mons, Arizona State University, ASU, lava channels, lava tubes, Mars Odyssey, NASA, Olympica Fossae, Olympus Mons, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, volcanics
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THEMIS: Phlegethon Catena
THEMIS Image of the Day, April 1, 2016. Today’s VIS image shows part of Phlegethon Catena. The linear features are created by faulting. Paired faults with down dropped block of material are called graben and are formed due to tectonic … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, graben, lava tubes, Mars Odyssey, NASA, Phlegethon Catena, pit craters, tectonics, THEMIS, Thermal Emission Imaging System, volcanics
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HiRISE: Lava flow near base of Olympus Mons
This image shows a lava channel, which lies just to the east of the largest volcano in the solar system: Olympus Mons. The channel appears to be discontinuous, meaning it disappears several times throughout its length, but in fact, it … Continue reading
Posted in Reports
Tagged High Resolution Imaging Science Experiment, HiRISE, lava channels, lava flows, lava tubes, Mars Reconnaissance Orbiter, MRO, NASA, Olympus Mons, University of Arizona, volcanics
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HiRISE: The busy flank of Arsia Mons
This observation shows an incredible diversity of ancient lava tubes and impact craters filled with sediment on the flank of Arsia Mons. The rationale for this observation is to get a better look at those lava tubes… [More at link]
Posted in Reports
Tagged Arsia Mons, High Resolution Imaging Science Experiment, HiRISE, lava tubes, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, volcanics
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Against the current with lava flows
Primeval lava flows formed the massive canyons and gorge systems on Mars. Water, by contrast, was far too scarce on the Red Planet to have cut these gigantic valleys into the landscape. This is the conclusion of several years of … Continue reading
THEMIS image: Ascraeus Mons
THEMIS Image of the Day, January 30, 2014. Today’s image shows a different portion of the collapse features located on the northern flank of Ascraeus Mons.
Posted in Reports
Tagged Arizona State University, Ascraeus Mons, ASU, collapse pits, lava, lava channels, lava tubes, Mars Odyssey, NASA, pit craters, THEMIS, Thermal Emission Imaging System, volcanics
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THEMIS image: Ascraeus Mons
THEMIS Image of the Day, January 29, 2014. The pits, fractures and channel-like features in this image are located on the northern flank of Ascraeus Mons. Most of these features were created by collapse into lava tubes that existed below the … Continue reading
Posted in Reports
Tagged Arizona State University, Ascraeus Mons, ASU, collapse pits, lava, lava channels, lava tubes, Mars Odyssey, NASA, pit craters, THEMIS, Thermal Emission Imaging System, volcanics
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Microbes in a cave, eating rock
Life abounds on Earth, where it lives in every possible ecological niche, including deep in the crust. This comes from biology’s reproductive drive plus natural selection’s creativity in matching organisms’ needs with what nature provides. But what about Mars, where … Continue reading
Posted in Reports
Tagged astrobiology, ice, lava tubes, life, Newberry volcano, olivine, Pseudomonas
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