Answer:
C. Planets revolve around the sun.
Explanation:
Copernicus is the person that popularized Heliocentric model. This model stated that Sun is the center of the universe. Earth and other planets are the one that revolve around it.
His name became known to the public because he directly opposed the teaching of the Church which is held by most people at that time. The church taught that Earth is the center of the universe and tend to publicly scrutinize the people who contradict the church's teaching.
