Question

how did keplers discoveries contribute to astronomy? they supported the heliocentric model. they established the laws of planetary motion. they explained how the sun rises and sets. they made astronomy accessible to people who spoke italian.

Explanation:

Kepler formulated three laws of planetary motion. These laws described the motion of planets around the Sun, greatly advancing the field of astronomy. The heliocentric model was already proposed by Copernicus before Kepler. The rising and setting of the Sun is mainly explained by Earth's rotation. And Kepler's work was not focused on making astronomy accessible to Italian - speakers.

Answer:

1. They established the laws of planetary motion.