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Radar Soundings of the Subsurface of MarsThe 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.
Document ID
20080022195
Acquisition Source
Jet Propulsion Laboratory
Document Type
Reprint (Version printed in journal)
External Source(s)
hdl:2014/40823
doi:10.1126/science.1122165
Authors
Picardi, Giovanni (La Sapienza Univ. Rome, Italy)
Plaut, Jeffrey J. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Biccari, Daniela (La Sapienza Univ. Rome, Italy)
Bombaci, Ornella (Alcatel Alenia Space Italia Rome, Italy)
Calabrese, Diego (Alcatel Alenia Space Italia Rome, Italy)
Cartacci, Marco (La Sapienza Univ. Rome, Italy)
Cicchetti, Andrea (La Sapienza Univ. Rome, Italy)
Clifford, Stephen M. (Lunar and Planetary Inst. Houston, TX, United States)
Edenhofer, Peter (Bochum Univ. Germany)
Farrell, William M. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Federico, Costanzo (Perugia Univ. Perugia, Italy)
Frigeri, Alessandro (Perugia Univ. Perugia, Italy)
Gurnett, Donald A. (Iowa Univ. Iowa City, IA, United States)
Hagfors, Tor (Max-Planck-Inst. fuer Sonnensystemforschung Lindau, Germany)
Heggy, Essam (Lunar and Planetary Inst. Houston, TX, United States)
Herique, Alain (Laboratoire de Planetologie de Grenoble Grenoble, France)
Huff, Richard L. (Iowa Univ. Iowa City, IA, United States)
Ivanov, Anton B. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Johnson, William T. K. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Jordan, Rolando L. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Kirchner, Donald L. (Iowa Univ. Iowa City, IA, United States)
Kofman, Wlodek (Laboratorie de Planetologie de Grenoble Grenoble, France)
Leuschen, Carlton J. (Johns Hopkins Univ. Laurel, MD, United States)
Nielsen, Erling (Max-Planck-Inst. fuer Sonnensystemforschung Lindau, Germany)
Orosei, Roberto (Istituto de Astrofisica Spaziale e Fisica Cosmica Rome, Italy)
Date Acquired
August 24, 2013
Publication Date
December 23, 2005
Publication Information
Publication: Science
Volume: 310
Issue: 5756
Subject Category
Astronomy
Distribution Limits
Public
Copyright
Other
Keywords
Mars Express orbiter
Mars
structure
Mars Advanced Radar for Subsurface and Ionospheric Sounding instrument (MARSIS)

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