How did Ptolemy's theories contribute to the development of astronomy?

He believed that the Earth was flat.

He believed that the moon's rotation caused ocean tides.

He thenrized that the Earth was moving closer to the sun.

He theorized that the Earth was the center of the universe.

he believed earth was the center of the universe

Explanation:

Ptolemy argued that the Earth was a sphere in the center of the universe, from the simple observation that half the stars were above the horizon and half were below the horizon at any time (stars on rotating stellar sphere), and the assumption that the stars were all at some modest distance from the center of the earth

He theorized that the Earth was the center of the universe