Why did ancient peoples study astronomy? Describe an astronomical achievement of at least three ancient cultures.

the study of astronomy in ancient times was mainly to keep track of the time and different seasons. This was very important in farming practices eapecially when to plant.

Explanation: Astronomical achievement of ancient cultures:

1. The Aztecs built Temple Mayor used to mark and keep track of the beginning and end of the different seasons

2. The Egyptians constructed huge obelisks which may have been used as clocks interpreted as light struck them at different parts of the day

3. The Greeks developed the Metonic cycle which is a 19 year cycle on which the dates of different phases of the moon repeat

4. The Druids were believed to have built Stonehenge as a clock to tell time as well as different phases of the moon and sun.

rain should be the answer.