Ever since Spirit and Opportunity began relaying images from Mars in January 2004, scientists following them have employed an unusual lexicon, referring to martian "blueberries," "popcorn," and "deep-fried," "batter-coated" blobs. The intrepid Mars Exploration Rovers are discovering a landscape never seen before as well as offering new perspectives on a central question: Did liquid water ever flow on Mars? In this narrated tour, allow Steve Squyres, the mission's principal science investigator, to guide you through a handful of each rover's most stunning finds.
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