Sunlight on the National Mall
iOS Universel / Education
View the arc of the sun as it moves throughout the day over the Smithsonian Castle. See how the arc of the sun changes in two separate seasons: Winter and Spring. Look around the National Mall in full 360°. How does the Sun's position in the sky change? Use the Sun Data Sheet to record your observations.
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Quoi de neuf dans la dernière version ?
Minor text tweaks
