The ancient civilization that worshiped the sun god Ra is Ancient Egypt. Ra was central to their belief system, symbolizing life, light, and warmth. Revered as the creator and sustainer of life, Ra was often depicted with a falcon head and a sun disk. Egyptians believed that Ra traveled through the sky by day and the underworld by night, demonstrating the cycle of life and death. His worship was vital to the daily practices and rituals of ancient Egyptians, reflecting their deep connection to the cosmos.