Earth Time and Motion
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Sunrise Project
5888 Views
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How the Sun Moves
5661 Views
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How the Sun Moves Across the Sky
6204 Views
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Our Planet is a Clock
5341 Views
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Intro to Solar Orientation
5607 Views
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Greenwich Globe
5781 Views
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Equation of Time - Clocks vs Sundials
5518 Views
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Earth at Night
5354 Views
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Analemma over El Cerrito
5761 Views