2003 EL61
Profile of the Kuiper Belt object that is currently the brightest object in this region after Pluto.
www.gps.caltech.edu/~mbrown/2003EL61
Kuiper Belt and the Oort Cloud
Discusses the proposed vast cloud at the outer reaches of the solar system that comets reside in.
www.nineplanets.org/kboc.html
Tumbling Stone 2 - The Discovery of Varuna
Describes Varuna and its discovery plus explanation of how asteroids are named.
spaceguard.ias.rm.cnr.it/tumblingstone/issues/num2/varuna.htm
Wikipedia: Kuiper Belt
Area of the solar system extending from within the orbit of Neptune to 50 AU from the sun.
en.wikipedia.org/wiki/Kuiper_belt