In the science books, what information is there about the universe?
There was a lot of information about the universe in science books. The universe was an extremely huge system that included many different celestial bodies and galaxies. scientists have explored many aspects of the universe, including its origin, evolution, structure, and composition. The origin of the universe was a hot topic in science. We already know that the universe was born about 13.8 billion years ago, but how the universe began is still a mystery. The Big Bang theory is that the universe started from an extremely dense and hot state about 13.8 billion years ago and gradually expanded and cooled over time. The evolution of the universe was also a hot topic of research. We have learned that the evolution of the universe can be divided into three stages: the Big Bang, the matter-radiation equilibrium period, and the matter-dominated period. The scientists were studying the various phenomena that occurred during these stages of the universe, such as the formation of galaxies, the formation and distribution of black holes and dark matter. The structure and composition of the universe was also the focus of scientists 'research. We have discovered many celestial bodies in the universe such as galaxies, stars, planets, etc., but their composition and nature are still a mystery. The scientists were using various techniques and methods, such as radio telescopes and cosmic ray detectors, to study the composition and evolution of the universe. In short, scientific research on the universe is constantly deepening, and our understanding of the universe is constantly expanding and deepening.