Why is Mustafa Kemal Ataturk important to the history of Turkey? a) He was the 10th heir apparent.
b) He separated religion and politics in the Turkish government.
c) He invented the technique of Iznic tiles.
d) He conquered Constantinople from the Christians.

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.