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Uncle Al's Starwheels are inexpensive star maps, adjustable for any time of night in any month of th eyear. Such maps are called planispheres. These Starwheels were created by the Hall's Hands-On Universe project, and based on the Lawrence Hall of Science (LHS) Sky Challenger, a set of 6 starwheels,...
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Classroom Activities Curricula and Instruction
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