Micromegas

Science Fiction from 1752, by Voltaire.

Those who travel only in coaches will doubtless be astonished at the sort of conveyance adopted up there; for we, on our little mound of mud, can imagine nothing beyond our own experience. Our traveler had such a marvelous acquaintance with the laws of gravitation, and all the forces of attraction and repulsion, and made such good use of his knowledge, that, sometimes by means of a sunbeam, and sometimes with the help of a comet, he went from one world to another as a bird hops from bough to bough. He traversed the Milky Way in a short time; and I am obliged to confess that he never saw, beyond the stars with which it is thickly sown, that beautiful celestial empyrean which the illustrious parson, Derham, boasts of having discovered at the end of his telescope. Not that I would for a moment suggest Mr. Derham mistook what he saw; Heaven forbid! But Micromegas was on the spot, he is an accurate observer, and I have no wish to contradict anybody.