Final answer:
Astronomy offered practical values to ancient civilizations by helping them keep track of time and seasons, navigate, and predict eclipses.
Step-by-step explanation:
Astronomy offered several practical values to ancient civilizations. Firstly, it helped them keep track of time and seasons, allowing them to develop calendars and schedule important activities such as farming or religious ceremonies. Secondly, astronomy was used for navigation by some cultures, as they could use the positions of celestial objects to determine their location. Finally, ancient civilizations used astronomy to predict eclipses with great accuracy, which was valuable for religious and cultural purposes.