Earth Time and Motion
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Sunrise Project
7495 Views
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How the Sun Moves
7154 Views
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How the Sun Moves Across the Sky
7752 Views
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Our Planet is a Clock
6591 Views
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Intro to Solar Orientation
6995 Views
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Greenwich Globe
7136 Views
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Equation of Time - Clocks vs Sundials
6848 Views
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Earth at Night
6655 Views
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Analemma over El Cerrito
7229 Views