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Planetary science: Radar soundings of the subsurface of Mars

  • Giovanni Picardi
  • , Jeffrey J. Plaut*
  • , Daniela Biccari
  • , Ornella Bombaci
  • , Diego Calabrese
  • , Marco Cartacci
  • , Andrea Cicchetti
  • , Stephen M. Clifford
  • , Peter Edenhofer
  • , William M. Farrell
  • , Costanzo Federico
  • , Alessandro Frigeri
  • , Donald A. Gurnett
  • , Tor Hagfors
  • , Essam Heggy
  • , Alain Herique
  • , Richard L. Huff
  • , Anton B. Ivanov
  • , William T.K. Johnson
  • , Rolando L. Jordan
  • Donald L. Kirchner, Wlodek Kofman, Carlton J. Leuschen, Erling Nielsen, Roberto Orosei, Elena Pettinelli, Roger J. Phillips, Dirk Plettemeier, Ali Safaeinili, Roberto Seu, Ellen R. Stofan, Giuliano Vannaroni, Thomas R. Watters, Enrico Zampolini
*Corresponding author for this work
  • University of Rome La Sapienza
  • Jet Propulsion Laboratory, California Institute of Technology
  • Thales
  • Universities Space Research Association
  • Ruhr University Bochum
  • NASA Goddard Space Flight Center
  • University of Perugia
  • University of Iowa
  • Max Planck Institute for Solar System Research
  • Laboratoire de Planetologie de Grenoble
  • Johns Hopkins University Applied Physics Laboratory
  • Istituto di Astrofisica Spaziale e Fisica Cosmica di Bologna
  • Roma Tre University
  • Washington University St. Louis
  • Technische Universität Dresden
  • Proxemy Research, Inc.
  • National Institute for Astrophysics
  • Smithsonian Institution

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish
Pages (from-to)1925-1928
Number of pages4
JournalScience
Volume310
Issue number5756
DOIs
Publication statusPublished - 23 Dec 2005
Externally publishedYes

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