This document provides information about the planets in our solar system and the moon. It details facts about each planet's orbit around the sun, composition, weather, and number of moons. Key facts include Mercury taking 88 days to orbit and having extreme temperature ranges, Venus having dense atmosphere making it too hot to live, and Earth being the only known planet to support life. The outer planets like Jupiter and Saturn are composed of gas and have many moons, while Mars was once thought to support water and life.