What are the two primary motions generally referred to when discussing the motion of the Earth?
Answer
Rotation and Revolution
Earth's complex choreography involves two primary motions: rotation, which is the spinning on its internal axis, and revolution, which is the yearly orbit around the Sun.
#Videos
Movements of the Earth - Earth's Revolution & Rotation - YouTube
Earth's Rotation & Revolution: Crash Course Kids 8.1 - YouTube
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