Modern science suggests such a model of the universe. Our Earth is part of the solar system, which is part of the galaxy (a giant cluster of stars). Ours and other galaxies, in turn, form clusters of galaxies, and they – superclusters. The world of the universe is very diverse and contains countless celestial bodies and their systems.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.