Earth Time and Motion
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Sunrise Project
1047 Views
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How the Sun Moves
1130 Views
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How the Sun Moves Across the Sky
1062 Views
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Our Planet is a Clock
1022 Views
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Intro to Solar Orientation
1022 Views
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Greenwich Globe
1081 Views
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Equation of Time - Clocks vs Sundials
1025 Views
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Earth at Night
1067 Views
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Analemma over El Cerrito
1041 Views