In this book, Giovanni Bignami, the outstanding Italian scientist and astronomer, takes the reader on a journey through the seven spheres, from our own planet to neighboring stars. The author offers a gripping account of the evolution of Homo Sapiens to the stage where our species is developing capabilities, in the form of new energy propulsion systems, that will enable us to conquer space. The reader will learn how we first expanded our activities to reach beyond our planet, to the Moon, and how nuclear energy, nuclear fusion, and matter antimatter annihilation will enable us to extend our...