Which contributions did Johannes Kepler make? Check all that apply.

-He solved Ptolemy's model by proving elliptical orbits.

-He determined that planets move faster when closer to the Sun.

-He discovered laws of planetary motion

Explanation

Johannes Kepler is famed for his contribution to the field of planetary science where he notably was able to prove elliptical orbits for the motion of the planets round the sun, proposed that planets move faster when closer to the sun and discovered the laws of planetary motion.

Johannes Kepler is famed for his contribution to the field of planetary science where he notably was able to prove elliptical orbits for the motion of the planets round the sun, proposed that planets move faster when closer to the sun and discovered the laws of planetary motion. Kepler was a German scientist who idea contributed significantly to astronomy.

•He discovered the path of motion of planets round the sun.

•He suggested the elliptical path were traced by revolving planets.

•He proposed a magic number that ensures a harmonious system in the universe.

•Kepler proposed that planets moves faster as they come closer to the sun.