NOVA: Is There Life on Mars? Worksheet Movie Summary: Four years after they landed on Mars, NASA s twin robot explorers, Spirit and Opportunity, have lasted 16 times longer and driven 20 times farther than expected. Today they are joined by an aerial armada of hi-tech satellites, surveying Mars from... (more details for NOVA: Is There Life on Mars?*)

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File #1567 Info: Created by Jung Choo on April 07, 2011 using Illinois State standards for students at a grade 6-8 level.

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