Oort Cloud

1. What's in the Oort Cloud? Both Less and More, New Study Suggests  (site info) Article discusses the nature of the spherical cloud of comets that surrounds our solar system. http://www.planetary.org/html/news/articlearchive/... 2. Views of the Solar System: Oort Cloud  (site info) Definition and overview. http://www.solarviews.com/eng/oort.htm 3. Electronic Universe: Oort Cloud  (site info) Discusses the proposed vast cloud at the outer reaches of the solar system. http://zebu.uoregon.edu/~js/glossary/oort_cloud.ht... 1-3 of 3.