Quote:
Originally Posted by samkent
Isn't that making a generalization based on a 9 foot circle? It could land on a patch of clay and not find frozen water. But 20 feet away could be ice. Hasn't the two MERs taught us just how diverse Mars is? $400 million for 3-4 holes in a narrow circle when next year we should have another rover capable of traveling dozens of miles just seems silly.
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not to pick nits, but don't you have to have liquid water in order to have clay? Discovering clay would mean success for one of the mission goals wouldn't it?