Solar system?

Question: who proposed a sun centered solar system?

Answer:
The Greek astronomer Aristarchus was the first to propose this, 1500 years before Copernicus did.

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Nicolas Copernicus
(1473-1543)

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Copernicus was the first, I think. Though a Greek, whose name escapes me for the moment, may have proposed it sooner.

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It was Galileo who came up with the theory that our Sun is center of the Universe.

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