What Was Tycho Brahe's Contribution to Astronomy

What was Tycho Brahe's contribution to astronomy?

A) He proved that Earth rotates on its own axis and revolves around the Sun.
B) He designed the three laws of planetary motion.
C) He discovered satellites around Jupiter, which proved Earth could move and keep its satellite.
D) He described why each of the planets moved in uniform circular motion.
E) He compiled detailed observations of the positions of the Sun, Moon, and planets over a period of 20 years.