Earth Time and Motion
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Sunrise Project
1846 Views
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How the Sun Moves
1955 Views
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How the Sun Moves Across the Sky
1914 Views
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Our Planet is a Clock
1820 Views
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Intro to Solar Orientation
1832 Views
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Greenwich Globe
1840 Views
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Equation of Time - Clocks vs Sundials
1806 Views
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Earth at Night
1854 Views
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Analemma over El Cerrito
1851 Views