How was Copernicus' idea that the sun was at the center of the universe different? Why was his concerned about publishing his ideas?

His idea that the sun was at the center of the universe was very different than others at the time. People believed that the Earth was actually the center of the universe, and he was concerned about publishing his ideas because this was very frowned upon and he would get harshly critcized and most likely punished for this idea.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.