Pancam multispectral imaging results from the Spirit Rover at Gusev crater

  • James Bell
  • , S. W. Squyres
  • , R. E. Arvidson
  • , H. M. Arneson
  • , D. Bass
  • , D. Blaney
  • , N. Cabrol
  • , W. Calvin
  • , Jack Farmer
  • , W. H. Farrand
  • , W. Goetz
  • , M. Golombek
  • , J. A. Grant
  • , R. Greeley
  • , E. Guinness
  • , A. G. Hayes
  • , M. Y H Hubbard
  • , K. E. Herkenhoff
  • , M. J. Johnson
  • , J. R. Johnson
  • J. Joseph, K. M. Kinch, M. T. Lemmon, R. Li, M. B. Madsen, J. N. Maki, M. Malin, E. McCartney, S. McLennan, H. Y. McSween, D. W. Ming, J. E. Moersch, R. V. Morris, E. Z Noe Dobrea, T. J. Parker, J. Proton, J. W. Rice, F. Seelos, J. Soderblom, L. A. Soderblom, J. N. Sohl-Dickstein, R. J. Sullivan, M. J. Wolff, A. Wang

Research output: Contribution to journalArticlepeer-review

143 Scopus citations

Abstract

Panoramic Camera images at Gusev crater reveal a rock-strewn surface interspersed with high- to moderate-albedo fine-grained deposits occurring in part as drifts or in small circular swales or hollows. Optically thick coatings of fine-grained ferric iron-rich dust dominate most bright soil and rock surfaces. Spectra of some darker rock surfaces and rock regions exposed by brushing or grinding show near-infrared spectral signatures consistent with the presence of mafic silicates such as pyroxene or olivine. Atmospheric observations show a steady decline in dust opacity during the mission, and astronomical observations captured solar transits by the martian moons, Phobos and Deimos, as well as a view of Earth from the martian surface.

Original languageEnglish (US)
Pages (from-to)800-806
Number of pages7
JournalScience
Volume305
Issue number5685
DOIs
StatePublished - Aug 6 2004

ASJC Scopus subject areas

  • General

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