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This paper provides an overview of the Europa Jupiter System Mission (EJSM) and of its scientific objectives, focusing the attention on the subsurface radar (SSR) instrument included in the model payload of the Jupiter Ganymede Orbiter (JGO). The SSR instrument is a radar sounder system at low frequency (HF/VHF band) designed to penetrate the surface of Ganymede icy moon of Jupiter for performing...
This work aims to test the formation hypotheses of the rafted-plate morphology observed in the Martian area of Athabasca Valles (5degN, 150degE,) using the subsurface radar echo from the Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) 5 MHz-band data over this area. The backscattered signal losses are compared to those arising from two geoelectrical subsurface models (differing...
The Mars Advanced Radar for Subsurface and Ionosphere Sounding, ldquoMARSISrdquo, on board MarsExpress is the first and so far only space borne radar that observed the Martian moon Phobos. Radar echoes were measured for different flyby trajectories. The primary aim of the low frequency sounding of the crust of Phobos is to prove the feasibility of deep sounding. In this paper we present a numerical...
In the last years, in order to investigate the distribution of water in the upper part of the Matianpsilas crust, two different instruments have been developed, and operative up to now: Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) and SHA allow RADar (SHARAD). Both the instruments are low frequency (1.8-5 MHz for MARSIS and 20 MHz for SHARAD) Ground Penetrating Radar (GPR) in...
An approach to the inversion of the data available from the MARSIS (Mars Advanced Radar for Subsurface and Ionosphere Sounding) instrument on Mars Express is described. The data inversion gives an estimation of the materials composing the different detected interfaces, including the impurity (inclusion) of the first layer, if any, and its percentage, by the evaluation of the values of the permittivity...
MARSIS (Mars advanced Radar for subsurface and ionosphere sounding) is a low frequency nadir looking sounding radar selected by ESA as a payload of the Mars Express mission, whose primary Scientific Objective is to map the distribution of water both solid and liquid, at global scale on the Martin crust. MARSIS is the first instrument to be able to detect what lies beneath the surface of Mars (up to...
Recently in order to investigate the distribution of water, liquid and solid, in the upper portions of the crust of Mars planet two different instruments are actives, the Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS) and SHAallow RADar (SHARAD). Both the instruments are a low frequency (1.8-5MHz for MARSIS and 20 MHz for SHARAD) Ground Penetrating Radar (GPR) in altimeter configuration...
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