Earth Time and Motion
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Sunrise Project
6109 Views
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How the Sun Moves
5871 Views
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How the Sun Moves Across the Sky
6433 Views
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Our Planet is a Clock
5532 Views
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Intro to Solar Orientation
5814 Views
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Greenwich Globe
5982 Views
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Equation of Time - Clocks vs Sundials
5745 Views
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Earth at Night
5532 Views
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Analemma over El Cerrito
5966 Views