This document provides information about the universe and our solar system. It discusses how stars and galaxies are formed, and describes some of the major figures in the development of our understanding of the solar system, such as Copernicus, Galileo, Kepler, and Newton. Details are given about the planets in our solar system, including their distances from the sun, rotation and revolution periods. The document also mentions astronomical units used to measure large distances and discusses how astronomers study the universe using tools like the Hubble Space Telescope.