In 1543, a model of the solar system was published that put the sun in the center of the solar system, and demoted earth to just another planet. This model was proposed by Which astronomer?

your answer is: a passage or quotation taken or selected from a religious book example: the bible, torah, and the quran.

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d.prevent the spread of communism outside of eastern europe.

i honesty don't know, good luck tho dawg