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doit_the_clown doit_the_clown
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7 years ago
A planet's sidereal year is different from its synodic year because
A)   the Earth moves.
B)   the planet's speed changes along its elliptical orbit.
C)   the planet rotates about its own axis in addition to its orbital motion.
D)   the planet moves.
Textbook 
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 calls for a celebration Person Raising Both Hands in Celebration
einstein
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Thanks for your help!!
karamsidhu1
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You make an excellent tutor!
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