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Fraser
2003-Nov-20, 09:39 PM
SUMMARY: Over the last few hundred years, humans have been exploring the planet Mars - first through telescopes, and more recently from orbit and on the ground. During this time we've gone from complete ignorance to a fairly deep understanding of the Red Planet. William K. Hartmann has been a scientist on several missions to Mars, and in his latest book, "A Traveler's Guide to Mars," he details our current understanding of the geologic process that have shaped the planet.


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