Science: Another Delay for Viking

"It may be that we don't understand Mars at all, or that all the areas of Mars are likely to be bad. But we shall find a place to land, I think ..."

If Viking Project Manager James S. Martin Jr. sounded plaintive last week, there was good reason. After studying photographs and radar scans of Viking's first alternative landing site on Mars' Chryse Planitia, the Plains of Chryse, he scrubbed a landing scheduled for July 17 and started studying a new site for a touchdown that could not take place until next week...

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