Visionary

Two hundred years after the first atomic explosion in Hiroshima and Nagasaki, man had learned to use the force of the atom for something more useful and constructive than to annihilate himself.
In the year 2145 all the spaceships propelled by nuclear energy, capable of reaching the vertigo speeds of which he had always dreamed of.
However, the Universe continued to be infinite for him and the hypothetical surface of the planet Saturn unreachable ...

Visionary is a story belonging to the Science Fiction series, a collection of science fiction and fantasy novels