1. Many ancient cultures believed the universe originated from primordial waters or chaos. The Babylonians, Egyptians, and Israelites described the early cosmos emerging from water.
2. In ancient cosmologies, the earth was often thought to be a flat disk floating on water, surrounded by a dome-shaped sky. The sky was believed to separate the upper waters from the lower waters and earth.
3. Creation myths from these cultures generally involved creator gods bringing order from the initial chaos of waters. For example, the Babylonian god Marduk killed Tiamat and organized the cosmos from her body.