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Why do shadows change over a year?

Updated: 8/11/2023
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12y ago

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answ 2. Due to the travel of the earth around its (non-circular) path on the ecliptic; and the tilt of the Earth's axis, the path of the (say) tip of the flagpole will not repeat exactly until a year has passed.

The path of the shadow of this 'flagpole gnomon' will describe a passage known as the Equation of Time.

This you can look up in an encyclopedia or a search engine.

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13y ago
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12y ago

Because of the Earth's rotation?

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Q: Why do shadows change over a year?
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