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Tag Archives: water ice
Islands of ice on Mars (and Pluto)
[Editor’s note: From a paper by Michael Sori and three co-authors recently published in the Journal of Geophysical Research.] Islands of ice on Mars and Pluto • Deposits in 31 craters in the south polar region of Mars likely represent … Continue reading
Mars’ water-ice clouds thicken toward evening
[Editor’s note: From a paper by Michael Smith recently published in Icarus.] Local time variation of water ice clouds on Mars as observed by THEMIS • The local time variation of cloud optical depth is examined from THEMIS observations. • … Continue reading
Posted in Reports
Tagged Arizona State University, ASU, atmosphere, clouds, Mars Odyssey, NASA, THEMIS, Thermal Emission Imaging System, water ice, water ice clouds
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North polar residual ice cap has recent snow-like surface
[Editor’s note: From a paper by Jonathan Bapst and three co-authors recently published in the Journal of Geophysical Research.] Thermophysical Properties of the North Polar Residual Cap using Mars Global Surveyor Thermal Emission Spectrometer • We identify residual water ice … Continue reading
Posted in Reports
Tagged Mars Global Surveyor, MGS, north polar ice cap, north residual ice cap, TES, Thermal Emission Spectrometer, thermal inertia, water ice
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Water-ice cliffs found in Mars’ mid-latitudes
Researchers using NASA’s Mars Reconnaissance Orbiter (MRO) have found eight sites where thick deposits of ice beneath Mars’ surface are exposed in faces of eroding slopes. These eight scarps, with slopes as steep as 55 degrees, reveal new information about … Continue reading
HiRISE: Dunes buried by water ice
Dunes buried by water ice. Beautiful Mars series.
Posted in Reports
Tagged active dunes, Beautiful Mars, High Resolution Imaging Science Experiment, HiRISE, ice, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, water ice
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Terraced craters point to subsurface ice sheets
Just beneath the planet’s dirt surface, University of Arizona researchers found an enormous slab of water ice, measuring 130 feet thick and covering an area equivalent to that of California and Texas combined. It was a “crazy-looking crater” on the … Continue reading
Posted in Reports
Tagged Arcadia Planitia, High Resolution Imaging Science Experiment, HiRISE, ice, Mars Reconnaissance Orbiter, MRO, NASA, Shallow Radar, SHARAD, terrace craters, University of Arizona, water ice
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Mars has mid-latitude belts of glaciers
Mars has distinct polar ice caps, but Mars also has belts of glaciers at its central latitudes in both the southern and northern hemispheres. A thick layer of dust covers the glaciers, so they appear as the surface of the … Continue reading
Liquid water and water Ice on Gale Crater, Mars
Planetary Geomorphology Image of the Month, September 2014: Alberto G. Fairén, (Cornell University and Centro de Astrobiología, Spain). Gale Crater, the site of the currently active Mars Science Laboratory (MSL) or Curiosity Rover mission, is a ~154-km-diameter impact crater formed … Continue reading
Posted in Reports
Tagged Gale Crater, geomorphology, glaciers, ice, liquid water, mountain glaciers, water, water ice
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Ground ice in fresh craters down to 39° north
Since 2008, the HiRISE camera on the Mars Reconnaissance Orbiter has imaged 20 small impact craters and crater clusters that expose fresh ground ice. A paper in the Journal of Geophysical Research from a team led by Colin Dundas (USGS … Continue reading
Posted in Reports
Tagged fresh craters, ground ice, High Resolution Imaging Science Experiment, HiRISE, ice, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona, water ice
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