Answer:
C) Andreas Vesalius
Explanation:
All of your choices could be classified as an astronomer, except for Andreas Vesalius. Tycho Brahe was an important astronomer, who’s discoveries influenced Keller’s work. Kepler himself created important laws about planetary motion. Lastly, Isaac Newton made important discoveries about gravity, which could apply to the field of astronomy. However, Andreas Vesalius studied anatomy, and none of his work related to astronomy. Therefore, your answer is C) Andreas Vesalius.