The scientist who first discovered that the earth revolves aroung the sun was..
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Newton
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Dalton
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Copernicus
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Einstein
C
Correct answer
Explanation
Nicolaus Copernicus, the Polish astronomer, first proposed the heliocentric model (earth revolving around the sun) in his work 'De revolutionibus orbium coelestium' published in 1543. This revolutionized astronomy by replacing the geocentric (earth-centered) Ptolemaic system. Newton formulated laws of motion and gravitation, Dalton proposed atomic theory, and Einstein developed relativity.