Final answer:
The significance of astronomy to prehistoric humans is evident in their navigation practices, religious beliefs, and architectural designs.
Step-by-step explanation:
The earliest evidence of the significance of astronomy to prehistoric humans is seen in their use of stars for navigation. The ability to observe the night sky and track the positions of stars helped them navigate across vast terrains. Additionally, prehistoric humans based their religions, rituals, and celebrations around celestial bodies. They believed that the movements of stars and planets influenced their daily lives and included them in their spiritual practices. Finally, the influence of astronomy is also seen in the architecture of many civilizations. Structures like Stonehenge and the Pyramids of Giza were built with astronomical alignments.
Learn more about astronomy in prehistoric times