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Answer:
The two ancient models of the universe that you are talking about are the geocentric model and heliocentric model.
Explanation:
There have been different ideas about how the universe works throughout history. One idea was the geocentric model, which said that the Earth was at the center of everything, and everything else orbited around it.
Another idea was the heliocentric model, which suggested that the Sun was at the center, and the planets, including Earth, revolved around it.
These are just two examples, and there have been many other ideas proposed over time to explain how the universe operates. If you have specific models in mind, please share more details so we can give a better answer.