Earth Time and Motion
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Sunrise Project
1348 Views
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How the Sun Moves
1467 Views
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How the Sun Moves Across the Sky
1395 Views
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Our Planet is a Clock
1354 Views
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Intro to Solar Orientation
1332 Views
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Greenwich Globe
1368 Views
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Equation of Time - Clocks vs Sundials
1334 Views
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Earth at Night
1363 Views
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Analemma over El Cerrito
1369 Views