Watching Science in Action on Mars

This view of a rock called
One of the great things about the Mars Exploration Rovers is that we get to see these scrappy little vehicles ramble across the surface of Mars, and watch science in action. Case in point: the meteorite found by Opportunity, dubbed "Block Island." Scientists are debating all sorts of things about this watermelon-sized rock. How old is it? What is it made of? Where could it have come from? But not only are we learning about this alien rock, we're also learning about the Red Planet itself and its environmental history.

See below for a new 3-D version of Block Island created by Stu Atkinson.
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Read the rest of Watching Science in Action on Mars (599 words)

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