Earth Time and Motion
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Sunrise Project
6949 Views
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How the Sun Moves
6701 Views
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How the Sun Moves Across the Sky
7302 Views
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Our Planet is a Clock
6207 Views
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Intro to Solar Orientation
6568 Views
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Greenwich Globe
6728 Views
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Equation of Time - Clocks vs Sundials
6433 Views
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Earth at Night
6256 Views
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Analemma over El Cerrito
6776 Views