The idea of the sun in the middle of the solar system originated from whom?

Copernicus.

Explanation:

Copernicus believed the sun was in the middle of the solar system. He even wrote a book about it called "Revolution of the Celestial Spheres."

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answer: in october 1962, an american u-2 spy plane secretly photographed nuclear missile sites being built by the soviet union on the island of cuba. president kennedy did not want the soviet union and cuba to know that he had discovered the missiles. he met in secret with his advisors for several days to discuss the problem.

explanation:

demand is the need and oportunity to buy a given good or service.