Physics
Scientific paper
May 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agusm.u43a..02a&link_type=abstract
American Geophysical Union, Spring Meeting 2004, abstract #U43A-02
Physics
6225 Mars
Scientific paper
The Spirit Rover touched down on the floor of Gusev Crater and the Opportunity Rover touched down in a 22 m diameter crater in Meridiani Planum in January, 2004. Equipped with the Athena Science Payload, these two rovers have been acquiring high fidelity multispectral (0.4 to 1.0 micrometers) images, emission spectra (5 to 29 microme-ters), and in-situ close-up imaging, APXS, and Moessbauer measurements on a variety of surfaces. As part of a co-ordinated set of experiments, the Mars Express Orbiter, with the OMEGA imaging spectrometer (0.38 to 5.1 mi-crometers, 352 bands, 350 m pixels, 16 pixels across swath), observed the sites while the rover imaging systems and emission spectrometers were acquiring atmospheric and surface measurements. Near-simultaneous measurements were acquired during several passes. Cross-instrument analyses by the OMEGA and Athena Science Teams allowed detailed verification and modeling of spectral signatures for the surface and orbital observations. Results of the joint experiments will be presented, focusing on evidence for the role of water in forming landforms and materials.
Arvidson Ray E.
Bibring J.
Poulet François
Squyres Steve
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