The universe is similar to matryoshka dolls, which fit inside each other: you live in your house, which is in a town or a city, which, in turn, is in a province, a Community, a country, a continent, on planet Earth... which is part of the solar system. In this book, you will learn about the planets, satellites, asteroids and meteors of our solar system in a clear and simple way, so you can discover your ôgreat houseö.