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Martian Terrain
images from radar sounder instruments Two Radar Sounders Examine South Polar Layered Deposits on Mars - 04/17/2008
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This image shows vertical bands of maroon crisscrossed by bright white streaks here and there. The vertical swaths correspond to changes in martian longitude (x-axis) and latitude (y-axis). Leaky Protection on Mars - 12/21/2007
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This image combining a topographic map viewed obliquely with a radargram of the subsurface shows features of mysterious Martian deposits named the Medusae Fossae Formation. Radar Slice Through Subsurface of Equatorial Deposits on Mars - 11/01/2007
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The upper image is a radargram from the Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS), showing data from the subsurface of Mars in the ice-rich layered deposits that surround the south pole. The lower image shows the position of the ground track (white line) on a topographic map of the area based on Mars Orbiter Laser Altimeter data. Bright Lower Echo in Radargram of South Polar Layered Deposits - 03/15/2007
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The upper image is a radargram from the Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS), showing data from the subsurface of Mars in the ice-rich layered deposits that surround the south pole. The lower image shows the position of the ground track (white line) on a topographic map of the area based on Mars Orbiter Laser Altimeter data. Virtual Slice Through Icy Layered Deposits Near Mars' South Pole - 03/15/2007
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This map shows the thickness of the south polar layered deposits of Mars, an ice-rich geologic unit that was probed by the Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS). Thickness of Mars' South Polar Layered Deposits - 03/15/2007
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This map shows the topography of the south polar region of Mars, including topography buried by thick deposits of icy material. Lower Boundary of Icy Layers Covering Mars' South Polar Region - 03/15/2007
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This map shows the topography of the south polar region of Mars. The data were collected by the Mars Orbiter Laser Altimeter aboard NASA’s Mars Global Surveyor orbiter between 1997 and 2001. Upper Surface of Icy Layers Covering Mars' South Polar Region - 03/15/2007
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The top image shows parabolic-shaped echoes from the rim walls of a buried impact basin. In the lower image, parabolic echoes project to circular arcs on the surface and indicate the location of a 210-kilometer-diameter (130-mile-diameter) impact basin buried by young lava flows in the Amazonis Planitia region. Echoes of a Buried Basin in Amazonis Planitia - 12/13/2006
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This graphic maps the ground-range projection of a radargram of data collected by the Mars Advanced Radar for Subsurface and Ionospheric Sounding (MARSIS) during the 1,892nd orbit of the European Space Agency's Mars Express. Location of Mars Express Radar Track, Orbit 1892 - 12/13/2006
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In the upper image, simulated radar echoes from the exposed Kepler basin on Mars shows distinctive parabolic-shaped echoes. The lower image is a topographic map of the Kepler basin, used in the simulation. Parabolic Radar Echoes - 12/13/2006
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The upper image shows parabolic-shaped echoes from the rim walls of a buried impact basin. In the lower image, the surface projection of the parabolic echo indicates a 140-kilometer-diameter (90-mile-diameter) basin buried by young lava flows. Radargram from Mars Express Orbit 1897 - 12/13/2006
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This image maps the locations of 11 ancient buried basins discovered by the Mars Advanced Radar for Subsurface and Ionospheric Sounding on the European Space Agency's Mars Express orbiter. Buried Basins Discovered by Radar - 12/13/2006
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Radargram of Mars' North Polar Layered Deposits with Topographic Map MARSIS Uncovers Underground Ice - 11/30/2005
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Radargrams of Buried Basin from Two Adjacent Orbits Radargrams of Buried Basin from Two Adjacent Orbits - 11/30/2005
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Topographic Map of Chryse Planitia with Location of Possible Buried Basin Topographic Map of Chryse Planitia with Location of Possible Buried Basin - 11/30/2005
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Radar Ionogram with Oblique Ionospheric Echo Radar Ionogram with Oblique Ionospheric Echo - 11/30/2005
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