Oort Cloud - Wikipedia
Postulated spherical cloud of comets situated about 50,000 to 100,000 AU from the sun.
en.wikipedia.org

The Oort Cloud - Views of the Solar System
Introduction the immense spherical cloud surrounding the planetary system, considered the edge of the Sun's orb of physical, gravitational, or dynamical influence.
www.solarviews.com

Oort cloud: Definition from Answers.com
Oort cloud n. A swarm of comets orbiting the sun at a distance of one to two light-years, proposed as a source of comets that pass near the sun
www.answers.com

Oort Cloud & Sol b?
Briefly discusses Oort Could objects, including comets and brown dwarfs.
www.solstation.com

Oort cloud - New World Encyclopedia
This image is an artist's rendering of the Oort cloud and the Kuiper belt ... So far, only three potential Oort cloud objects have been discovered: 90377 ...
www.newworldencyclopedia.org

Oort cloud - Simple English Wikipedia, the free encyclopedia
The Oort Cloud is a cloud of comets and other objects that scientists and ... The fundamental role of the Oort cloud in determining the flux of comets through ...
simple.wikipedia.org

Solar System Exploration: Planets: Oort Cloud
The Solar System Exploration Home Page is part of NASA's Office of Space Science and ... The Oort Cloud contains billions of icy bodies in solar orbit. ...
solarsystem.nasa.gov

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

What is the Oort Cloud?
Brief and Straightforward Guide: What is the Oort Cloud? ... The Oort cloud is a huge spherical cloud of comets and dust that extends three ...
www.wisegeek.com

The Oort Cloud
The Oort Cloud: Where comets come from. Figure courtesy of JPL. ... Oort Cloud. Set up your world here. Artist recruits residents for unique galactic homes. ...
www.oort.com