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NASA eClips™: Arecibo - Changing Theories - The Scientific Method in Action
February 22, 2012
Target: Grades K-5


Length: 5 minutes 50 seconds

Internet:
NASA eClips™: Our World
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See how scientists develop ideas about the universe, then set out to prove what they think is right. Often this search leads to new questions and new discoveries. Find out how the Mars Phoenix Lander has changed what NASA scientists believe about Mars.
 

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