Earth Time and Motion
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Sunrise Project
7788 Views
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How the Sun Moves
7435 Views
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How the Sun Moves Across the Sky
8128 Views
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Our Planet is a Clock
6852 Views
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Intro to Solar Orientation
7337 Views
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Greenwich Globe
7417 Views
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Equation of Time - Clocks vs Sundials
7145 Views
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Earth at Night
6958 Views
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Analemma over El Cerrito
7529 Views