A ground-range projection of the radargram for MARSIS orbit 1892 that crosses the Martian lowland plains of Chryse Planitia.  Rim walls and interior ring structures of impact basins produce parabolic-shaded echoes.  The inset shows that parabolic-shaped echoes in the radargram project to circular arcs, indicating the presence of a buried impact basin.  

Created:

2006

ID#:

WEB10636-2006

Source:

ASI/NASA/ESA/Univ. of Rome/JPL/Smithsonian Institution

Owner:

Smithsonian Institution

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