Question

What was Galileo Galilei known for?

A.
He is considered the founder of modern philosophy and the father of modern mathematics.

B.
He improved the telescope and proved that Ptolemy's claim that the moon had a smooth, polished surface was wrong.

C.
He was the first scholar to write that the earth revolves around the sun.

D.
He introduced the law of gravitational force that is still used today.