Earth Time and Motion
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Sunrise Project
4262 Views
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How the Sun Moves
4093 Views
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How the Sun Moves Across the Sky
4450 Views
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Our Planet is a Clock
3930 Views
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Intro to Solar Orientation
4072 Views
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Greenwich Globe
4332 Views
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Equation of Time - Clocks vs Sundials
4002 Views
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Earth at Night
3926 Views
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Analemma over El Cerrito
4256 Views