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The Oort Cloud (pronounced /ˈɔrt/ ort, alternatively the Öpik-Oort Cloud IPA: [ ˈøpik]) is a hypothesized spherical cloud of comets which may lie roughly ...
en.wikipedia.org/wiki/Oort_cloud - Similar
The Oort cloud is an immense spherical cloud surrounding the planetary system and extending approximately 3 light years, about 30 trillion kilometers from ...
www.solarviews.com/eng/oort.htm - Similar
Aug 6, 2008 ... The Oort Cloud is an immense spherical cloud surrounding our Solar System. Extending about 30 trillion kilometers (18 trillion miles) from ...
solarsystem.nasa.gov/planets/profile.cfm?Object=OortC... - Similar
Mar 18, 2007 ... Primer on objects in the outer solar system from The Nine Planets multimedia tour of the solar system.
nineplanets.org/kboc.html - Similar
Studies of the orbits of long-period comets, which are believed to originate in the Oort Cloud, suggest that the Cloud extends out from a heliocentric ...
www.daviddarling.info/encyclopedia/O/OortCloud.html - Similar
www.windows.ucar.edu/cgi-bin/tour_def/comets/Oort_cloud.ht... - Similar
The giant cometary sphere surrounding the solar system is named the Oort cloud, after Jan Oort who postulated its existence in 1950. ...
oort.com/ - Similar
Oort-Cloud. Write - Share - Read - Respond. About · Contact/Feedback · FAQ · For Readers · For Writers .... Where did you hear about Oort-Cloud.org? ...
www.oort-cloud.org/ - Similar
In 1950, Jan Hendrik Oort (1900-1992) inferred the existence of the Oort Cloud from the physical evidence of long-period comets entering the planetary ...
www.solstation.com/stars/oort.htm - Similar
Oct 8, 2009 ... Brief and Straightforward Guide: What is the Oort Cloud?
www.wisegeek.com/what-is-the-oort-cloud.htm - Similar
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