Micromegas

Micromegas is a short classic written by Voltaire, it was first published in 1752. Micromegas is an inhabitant of the star Sirius, 120,000 feet tall and accompanied by a dwarf from Saturn who is 6000 feet tall. During a grand tour of the universe they visit Earth in 1737 and, using makeshift microscopes, they detect a boating party of tiny human philosophers.