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IT was against the churches beleif that the earth was in the center
It was Copernicus's theory and Galileo had very little evidence for it at the time of his quarrel with the Vatican, as he discovered when they put him on trial and asked for the evidence.
Likes: Created Copernican Theory, proposed heliocentric theory, great astronomer Dislikes: Went against Church's theory, went against Bible's theory, disagreed with geocentric theory.
Copernicus' theory was that Earth is not the center of the universe and we revolve around the Sun.
Copernicus' theory was that Earth is not the center of the universe and we revolve around the Sun.
Nicolaus Copernicus
Copernicus.
None exists.
Galelei derived his theory from Copernicus. To Copernicus it was just a theory. Galilei managed to prove it when he invented the telescope and was able to see the moons orbiting Jupiter.
I am not sure in what depth you would like this answered but Copernicus was the first to show evidence that the earth orbited the sun and not vice versa which was what scientists at that time believed.
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.
Copernicus discovered the heliocentric theory in 1510 and worked on it for four more years.