No, far from it. The earliest known astronomer to suggest that the Earth went around the Sun was Aristarchus of Samos, in about 300 BC, 1800 years BEFORE Copernicus.
Nicolaus Copernicus
It is believed that Nicolaus Copernicus first proposed the heliocentric theory.
Nicolaus Copernicus, in 1543 , proposed his version of the heliocentric (Sun-centered) organization of the universe.(from De revolutionibus orbium coelestium)Finally we shall place the Sun himself at the center of the Universe.All this is suggested by the systematic procession of events andthe harmony of the whole Universe, if only we face the facts,as they say, 'with both eyes open'.
The heliocentric, or Sun-centered, system was first theorized by Nicolaus Copernicus.
I think this is called the Heliocentric Theory and was first discovered by Copernicus.
Copernicus
From about 1510-1514 Copernicus developed his first general outline of his new heliocentric system.
the first person to formulate a comprehensive heliocentric cosmology
Copernicus was the first to propose the Heliocentric theory, the correct theory that the Sun, not the Earth, is the center of the solar system.
Nicholaus Copernicus was one of the first to challenge the theory that the earth was the center of the universe. He made up the Heliocentric theory.
Nicolaus Copernicus
Aristarchus of Samos was the Greek scientist who first proposed a heliocentric view of the universe, suggesting that the Earth revolves around the Sun. This idea was revolutionary for its time and laid the foundation for later heliocentric models developed by Copernicus and Galileo.
The heliocentric theory was first published by Copernicus.
Nicolaus Copernicus put forward a heliocentric theory.
The first person to theorize a heliocentric solar system was Aristarchus, a greek philosopher. However, he was ridiculed, and the first person to have the idea accepted was Copernicus.
It is believed that Nicolaus Copernicus first proposed the heliocentric theory.
He is worth knowing about because he revived the Heliocentric modelSome say that he reveled the Heliocentric model but he didn'tBut he was the first person to try to push people to to believe in the Heliocentric model