ocr: NEPTUNES RINGS NEPTUNE'S RINGS STRETCH from about 40,000 - to 63,000 km (25,000 to 39,000 miles) from the planet. There are one broad and three narrow rings, all very dark. The Adams and Le Verrier Rings are named for astronomers who predicted Neptune's existence and position; the Galle Ring is named for Neptune's discoverer, the German astronomer Johann Galle (1812-1910). The Voyager 2 probe discovered clumps of ring material in the Adams Ring, whose existence astronomers cannot explain. Le Verrier Ring RINGWORLD In August 1989, Voyager 2 Plateau Ring Galle Ring discovered thej full extent of ...
