Earth Time and Motion
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Sunrise Project
1178 Views
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How the Sun Moves
1287 Views
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How the Sun Moves Across the Sky
1213 Views
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Our Planet is a Clock
1170 Views
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Intro to Solar Orientation
1165 Views
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Greenwich Globe
1206 Views
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Equation of Time - Clocks vs Sundials
1161 Views
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Earth at Night
1194 Views
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Analemma over El Cerrito
1189 Views