Answer:
a) explained the appearance of the sun's rotation with a theory of earthly rotation.
Explanation:
Nicolaus Copernicus gave the model of the solar system , named as the Copernican heliocentrism , in the year 1543 .
According this model, the Sun is placed stationary at the very center of the universe and all the planets are moving in a defined path , with uniform speed .
The model gave modern astronomy a kick start .
Hence , from the question,
The correct statement is a) explained the appearance of the sun's rotation with a theory of earthly rotation.
