Earth Time and Motion
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Sunrise Project
1048 Views
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How the Sun Moves
1131 Views
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How the Sun Moves Across the Sky
1063 Views
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Our Planet is a Clock
1023 Views
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Intro to Solar Orientation
1023 Views
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Greenwich Globe
1082 Views
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Equation of Time - Clocks vs Sundials
1026 Views
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Earth at Night
1068 Views
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Analemma over El Cerrito
1041 Views