Earth Time and Motion
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Sunrise Project
4040 Views
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How the Sun Moves
3874 Views
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How the Sun Moves Across the Sky
4208 Views
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Our Planet is a Clock
3728 Views
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Intro to Solar Orientation
3869 Views
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Greenwich Globe
4131 Views
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Equation of Time - Clocks vs Sundials
3817 Views
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Earth at Night
3735 Views
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Analemma over El Cerrito
4044 Views