Generally considered the outer remnant of the proto-planetary disk, it is thought to be the source of objects such as Pholus and Chariklo, known as the centaurs, as well as short-period comets.
The namesake cliff in this region marks the point at which a large empty gap begins, and one class of objects found here, including Quaoar and Varuna, is known as the cubewanos. What is often called its largest object may actually lie in the Scattered Disk, while its second largest object is set to be explored by New Horizons. Generally considered the outer remnant of the proto-planetary disk, it is thought to be the source of objects such as Pholus and Chariklo, known as the centaurs, as well as short-period comets. For 10 points, name this ring of small objects that is home to Eris and Pluto, found beyond the orbit of Neptune.
The namesake cliff in this region marks the point at which a large empty gap begins, and one class of objects found here, including Quaoar and Varuna, is known as the cubewanos.
Edgeworth-Kuiper belt [or Edgeworth-Kuiper disk]