Isaac Asimov

La autobiografía del escritor de ciencia ficción más importante de la Historia. Podría decirse que Isaac Asimov, el mayor escritor de ciencia ficción que ha existido, poseía una de las mentes más brillantes y creativas del siglo XX. Su estilo cuidado y accesible, y sus intereses de largo alcance en temas que van desde la ciencia al humor, pasando por la historia, le valieron el apodo de «El gran narrador». Esta es la historia del genio paradójico...

A description of the sun, the star of our solar system, which includes information on its origin, physical composition, and characteristics, as well as on studies made of the sun by instruments and satellites.

Describes some of the various features of the planet Venus and how we have learned what we know.

Describes the third largest known planet, examining its size and composition, its surface features, its orbit, and efforts to learn more about this planet.

Describes the planet closest to the sun, examining its size and composition, its surface features, its orbit, and efforts to learn more about this planet.

Andrew Harlan is an Eternal, a member of the elite of the future. One of the few who live in Eternity, a location outside of place and time, Harlan's job is to create carefully controlled and enacted reality changes. These changes are small, exactingly calculated shifts in the course of history, made for the benefit of humankind. Though each change has been made for the greater good, there are also always costs. During one of his assignments, Harlan...

Describes the planet furthest from the sun and its moon, examining their size and composition, surface features, orbits, and efforts to learn more about these bodies.

"Desde hace doce mil años, la humanidad prospera en una galaxia gobernada por el Imperio desde la majestuosa ciudad de Trántor. Todos creen que la estabilidad durará para siempre hasta que Hari Seldon predice, mediante su revolucionaria teoría de la psicohistoria, un futuro de ruina y destrucción. Desterrado al planeta Terminus, Seldon establecerá una colonia con las mentes más brillantes del Imperio, una Fundación que esconde la clave para...