Traveler's Guide to Mars
Bill Hartmann, scientist, painter and author, talks about what Mars may offer the three landings missions planned this winter. His insight comes from serving as co-investigator on the Mariner 9 mission that discovered the first evidence of erosion patterns that even as images have gotten more sharp, still fuels the debate about ancient surface water on the red planet.
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Moffett Field - Nov 25, 2003
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