The solar system

The universe is similar to matryoshka dolls, which fit inside eachother: 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, onplanet Earth... which is part of the solar system. In this book, youwill learn about the planets, satellites, asteroids and meteors of our solar system in a clear and simple way, so you can discover yourôgreat houseö.