Use the excerpt from an online article to answer the question. "While the big bang theory is the most popular modern theory of how the universe formed, it is incomplete." Which question does the big bang theory leave unanswered? (1 point) When did the universe form? What is the future of the universe? What is the temperature of deep space? How did galaxies and stars form?
The Big Bang theory explains the early development of the universe but leaves several questions unanswered, including details about how galaxies and stars formed. While it provides a framework for understanding the expansion of the universe from an initial singularity, it does not fully explain the processes leading to the rich structure we see today, which includes galaxies, stars, planets, and other celestial objects. Therefore, the most appropriate question from the provided options that the Big Bang theory leaves unanswered is: "How did galaxies and stars form?"
