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Radar Soundings of the Subsurface of Mars

Giovanni Picardi 1 Jeffrey Plaut 2 Daniela Biccari 1 Ornella Bombaci 3 Diego Calabrese 3 Marco Cartacci 1 Andrea Cicchetti 1 Stephen Clifford 4 Peter Edenhofer 5 William Farrell 6 Costanzo Federico 7 Alessandro Frigeri 7 Donald Gurnett 8 Tor Hagfors 9 Essam Heggy 4 Alain Hérique 10 Richard Huff 8 Anton Ivanov 2 William Johnson 2 Rolando Jordan 2 Donald Kirchner 8 Wlodek Kofman 10 Carlton Leuschen 11 Erling Nielsen 9 R. Orosei 12 Elena Pettinelli 13 Roger Phillips 14 Dirk Plettemeier 15 Ali Safaeinili 2 Roberto Seu 1 Ellen Stofan 16 Giuliano Vannaroni 17 Thomas Watters 18 Enrico Zampolini 3 
Abstract : The martian subsurface has been probed to kilometer depths by the Mars Advanced Radar for Subsurface and Ionospheric Sounding instrument aboard the Mars Express orbiter. Signals penetrate the polar layered deposits, probably imaging the base of the deposits. Data from the northern lowlands of Chryse Planitia have revealed a shallowly buried quasi-circular structure about 250 kilometers in diameter that is interpreted to be an impact basin. In addition, a planar reflector associated with the basin structure may indicate the presence of a low-loss deposit that is more than 1 kilometer thick.
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Contributor : Béatrice Pibaret-Bourdon Connect in order to contact the contributor
Submitted on : Tuesday, January 27, 2009 - 2:25:06 PM
Last modification on : Monday, May 9, 2022 - 11:58:07 AM





Giovanni Picardi, Jeffrey Plaut, Daniela Biccari, Ornella Bombaci, Diego Calabrese, et al.. Radar Soundings of the Subsurface of Mars. Science, American Association for the Advancement of Science (AAAS), 2005, 310 (5756), pp.1925-1928. ⟨10.1126/science.1122165⟩. ⟨insu-00356405⟩



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