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Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS)

Detailed Description

Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS): "MARSIS is a low frequency, nadir-looking pulse limited radar sounder and altimeter with ground penetration capabilities, which uses synthetic aperture techniques and a secondary receiving antenna to isolate subsurface reflections." Read more at the Mars Express Instrumentation website. 

Sources/Usage

Public Domain.

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