Which scientist developed a new model of planetary motion

Kepler

Kelvin

Hutton

Rutherford

Kepler's Laws of Planetary Motion

option A

Explanation:

answer is option A

Kepler was the scientist who developed the new model of planetary motion.

Kepler stated three laws for planetary motion.

Kepler stated that that planets move in elliptical orbit with sun in center.

Kepler stated that planets sweeps equal area in equal interval of time.

Kepler also stated that the period square is equal to the cube of semi major axis.