Mars surface diversity as revealed by the OMEGA/Mars express observations

  • Jean Pierre Bibring
  • , Yves Langevin
  • , Aline Gendrin
  • , Brigitte Gondet
  • , François Poulet
  • , Michel Berthé
  • , Alain Soufflot
  • , Ray Arvidson
  • , Nicolas Mangold
  • , John Mustard
  • , P. Drossart
  • , Stéphane Erard
  • , Olivier Fomi
  • , Michel Combes
  • , Thérèse Encrenaz
  • , Thierry Fouchet
  • , Riccardo Merchiorri
  • , Gian Carlo Belluci
  • , Francesca Altieri
  • , Vittorio Formisano
  • Guillaume Bonello, Fabricio Capaccioni, Pricilla Cerroni, Angioletta Coradini, Sergio Fonti, Volodia Kottsov, Nikolai Ignatiev, Vassili Moroz, Dimitri Titov, Ludmilla Zasova, Patrick Pinet, Sylvain Douté, Bernard Schmitt, Christophe Sotin, Ernst Hauber, Harald Hoffmann, Ralf Jaumann, Uwe Keller, Tom Duxbury, François Forget

Research output: Contribution to journalArticlepeer-review

Abstract

The Observatoire pour la Minéralogie, l'Eau, les Glaces, et l'Activité (OMEGA) investigation, on board the European Space Agency Mars Express mission, is mapping the surface composition of Mars at a 0.3- to 5-kilometer resolution by means of visible - near-infrared hyperspectral reflectance imagery. The data acquired during the first 9 months of the mission already reveal a diverse and complex surface mineralogy, offering key insights into the evolution of Mars. OMEGA has identified and mapped mafic iron-bearing silicates of both the northern and southern crust, localized concentrations of hydrated phyllosilicates and sulfates but no carbonates, and ices and frosts with a water-ice composition of the north polar perennial cap, as for the south cap, covered by a thin carbon dioxide-ice veneer.

Original languageEnglish
Pages (from-to)1576-1581
Number of pages6
JournalScience
Volume307
Issue number5715
DOIs
Publication statusPublished - 11 Mar 2005

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