Which ancient society first coined the word astronomy and contributed important early work in this discipline?

A.) The Vikings

B.) The Greeks

C.) The Indus

D.) The Romans

The correct answer of this question is option B. The Greeks first coined the word astronomy and contributed important early work in this discipline. They were the first ones who made three-dimensional models to show planetary motion. It was also during this time when the heliocentric system was first suggested.