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Tag Archives: Shallow Radar
Spiral troughs in Mars polar caps are born in ‘cyclic steps’
Both Martian polar caps have deep spiral troughs that slice into them for dozens or hundreds of kilometers, but their origin and development has been much debated by scientists. New work by a team of researchers led by Isaac Smith … Continue reading
Posted in Reports
Tagged atmosphere, cyclic steps, ice, katabatic jump, katabatic winds, Mars Reconnaissance Orbiter, north polar ice cap, polar caps, polar regions, polar troughs, Shallow Radar, SHARAD, south polar ice cap, sublimation, water, water vapor
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Subsurface radar profiles Marte Vallis outflow channel in 3D
Ground-penetrating radar on NASA’s Mars Reconnaissance Orbiter (MRO) reveals buried channels that show floods of water from Cerberus Fossae eroded Marte Vallis in two distinct stages, and they did so to a much greater extent than is visible today. The … Continue reading
Posted in Reports
Tagged channels, Elysium, Elysium Planitia, Mars Reconnaissance Orbiter, Marte Vallis, MRO, outflow channels, Shallow Radar, SHARAD, water
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South polar CO2 ice could double Mars’ atmosphere
Results from the Shallow Radar (SHARAD) instrument on NASA’s Mars Reconnaissance Orbiter show that the south polar layered deposits on Mars hold about 30 times as much carbon dioxide ice as previously known. If this CO2 were released into the … Continue reading
Posted in Reports
Tagged atmosphere, carbon dioxide ice, CO2 ice, Mars Reconnaissance Orbiter, Shallow Radar, SHARAD, south polar layered deposits
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