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Earth’s Rotation and Day-Night Cycles
Grade Level
Astronomy
AST.106 Earth’s Rotation and Day-Night Cycles
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What causes the Sun, Moon, and stars to appear to cross the sky each day?
A
Earth’s rotation on its axis.
B
Earth’s yearly revolution around the Sun only.
C
A daily expansion and contraction of the atmosphere.
D
The Moon’s changing phase each night.
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