B) Kelper: planetary orbits
Kelper had a similar theory of Copernicus
Answer:
B) Kepler: planetary orbits.
Explanation:
Johannes Kepler was an astronomer, mathematician and astrologer. He is known for his theory on planetary motion, which provided one of the foundations for Newton's theory of universal gravitation. He was also a professor of mathematics, did work in the field of optics and invented a refracting telescope.