Question

Help please Why were Copernicus's ideas about the universe published in his book On the Revolutions of the Heavenly Bodies unpopular with the accepted views of the Church?

The Church believed that the Earth was at the center of the universe.
The Church believed that the Earth was entirely flat and surrounded by water.
The Church believed that the Vatican was at the center of the known universe.
The Church believed that Copernicus was denying the existence of God.