Kuiper belt refers to the disc-shaped region beyond Neptune, named for astronomer Gerard Kuiper. It is presumed to be remnants from the formation of the solar system about 4.6 billion years ago.The Kuiper Belt extends from about 30 to 55 AU (One astronomical unit, or AU, is the mean distance of Earth from the Sun: about 150 million kilometers or 93 million miles.) and is probably populated with hundreds of thousands of icy bodies larger than 100 ...
