Earth Time and Motion
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Sunrise Project
7514 Views
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How the Sun Moves
7180 Views
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How the Sun Moves Across the Sky
7782 Views
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Our Planet is a Clock
6612 Views
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Intro to Solar Orientation
7017 Views
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Greenwich Globe
7167 Views
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Equation of Time - Clocks vs Sundials
6871 Views
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Earth at Night
6676 Views
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Analemma over El Cerrito
7247 Views