Question

How did Kepler’s discoveries contribute to astronomy?
1 They supported the heliocentric model.
2 They established the laws of planetary motion.
3 They explained how the Sun rises and sets.
4 They made astronomy accessible to people who spoke Italian.

Answer 1

Hi there,

Kepler’s discoveries contribute to astronomy in terms of establishing laws of planetary motion.

Hence,

option 2) They established the laws of planetary motion.

is the correct answer.

Thanks for asking.

Answer 2

Kepler was a famous German astronomer who discovered the laws of motion of planets i.e. planets moves around the Sun in an elliptical orbit, area law and harmonic law related to the planetary motion.

So the correct answer for the given question is 2.

They established the laws of planetary motion.