On the 17th of August 1877, the search of American astronomer Asaph Hall was finally successful. He had doubted the conventional wisdom that Mars had no moon. Using the giant 26-inch refractor of the U. S. Naval Observatory in Washington, D.C., he searched close to the planet and discovered not one but two moons, travelling so close to the surface of Mars that until now they were lost in the planet’s glare. These were named Phobos and Deimos (see more about the moons on the NASA website).
This discovery had been anticipated by a fictional research organisation. In 1726, Jonathan Swift wrote Gulliver’s Travels, describing Gulliver’s visit to Balnibarbi and to Lagado, the island that floats above it where its rulers live. The intelligentsia of Lagado, though unhealthily engrossed in their studies, are advanced in astronomy: Read More