Why did nicolaus copernicus's theory that the earth orbits the sun so shocking to the people living in the 1500s

Because during ancient times, people believed that the Earth was the centre of the Universe. This means that their belief was that all planets including the sun revolved around the world. This theory was also backed up by many philosophers and scientists who made assumptions based on theories. So saying a controversial idea was shocking to them.

31. How can a citizen challenge a decision by the court?