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doit_the_clown doit_the_clown
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7 years ago
As the Earth rotates, the apparent motion of the pole star, Polaris, in a period of a day is
A)   a circle with a radius of 23.5°.
B)   a small circle with a radius of less than 1°.
C)   zero; there is no motion of the pole star, by definition.
D)   a slow but noticeable drift across the sky.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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papachulopapachulo
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7 years ago
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doit_the_clown Author
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7 years ago
this is exactly what I needed
byehoe
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yen
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This calls for a celebration Person Raising Both Hands in Celebration
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