Question

who was johannes kepler, and why is he known today? (5 points) he was a german philosopher known for his work in epistemological theory. he was a german astronomer who figured out that planets orbit in ellipses, not perfect circles. he was a german chemist who created the first periodic table. he was a german cleric who promulgated a new doctrine that encouraged scientific research.

Explanation:

Johannes Kepler was a key figure in the scientific revolution. His three laws of planetary motion, most notably the first law stating planets move in elliptical orbits around the Sun, laid the foundation for modern astronomy and were critical to Newton's later work on gravity. The other options are incorrect: the first describes a philosopher (not Kepler), the third refers to Mendeleev (creator of the periodic table), and the fourth does not align with Kepler's professional identity and contributions.

Answer:

He was a German astronomer who figured out that planets orbit in ellipses, not perfect circles.