Subsurface echoes from Chryse Planitia plains

This image shows a ground-range projection of the 'radargram' obtained by the MARSIS sounding radar on board ESA's Mars Express on 6 July 2005 (orbit 1892), when the spacecraft was flying over the Martian lowland plains of Chryse Planitia.
IDL TIFF file
December 14, 2006
CreditESA/ASI/NASA/Univ. of Rome/JPL/Smithsonian
Language
  • english

This image shows a ground-range projection of the ‘radargram’ obtained by the MARSIS sounding radar on board ESA’s Mars Express on 6 July 2005 (orbit 1892), when the spacecraft was flying over 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

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