Globes: 400 Years of Exploration, Navigation, and Power

The concept of the earth as a sphere has been around for centuries, emerging around the time of Pythagoras in the sixth century BC, and eventually becoming dominant as other thinkers of the ancient world, including Plato and Aristotle, accepted the idea. The first record of an actual globe being made is found in verse, written by the poet Aratus of Soli, who describes a celestial sphere of the stars by Greek astronomer Eudoxus of Cnidus (ca. 408–355 BC). The oldest surviving globe—a celesti...