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doit_the_clown doit_the_clown
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7 years ago
The initial reason why the geocentric model for the solar system began to be discarded after the fifteenth century A.D. was that
A)   observations by spacecraft proved that all planets orbit the Sun.
B)   the invention of the telescope provided observations that were in better agreement with a heliocentric model.
C)   Isaac Newton was able to derive all planetary motion from one universal law of gravity.
D)   the heliocentric model is conceptually simpler.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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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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discovererdiscoverer
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7 years ago
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doit_the_clown Author
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7 years ago
Thanks
jbag1237
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Yesterday
Thank you, thank you, thank you!
joyceess
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2 hours ago
This helped my grade so much Perfect
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