Martian Nights

By Bob Berman
Mar 1, 1997 6:00 AMNov 12, 2019 4:45 AM

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No planet goes through more changes than Mars does, and no planet puts our assumptions more to the test. Say its canals don’t really exist. No problem; Mars then offers intriguing dry riverbeds, a strange soil chemistry that spews oxygen at the slightest provocation, and evidence of ancient microbes that may still infect the Red Planet.

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