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It's a Small Solar System After All
by Kathy A. Svitil
04.01.2001
Until recently our solar system appeared to have no end in sight. Astronomers had discovered that the space between Neptune and Pluto is full of Kuiper belt objects -- chunks of rock and ice left over from the formation of the solar system -- that seemed to continue as far as telescopes could explore... Perhaps early on, a rogue protoplanet broke free and took a bunch of the Kuiper belt objects with it, or a passing star stripped away our sun's outer kingdom. On the other hand, the edge might denote the original boundary of the primordial solar system. If so, astronomers have greatly overestimated the size of the gassy disk from which the planets coalesced.

1 posted on 04/24/2007 10:54:58 AM PDT by SunkenCiv
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Mysterious deep-space object raises questions on Solar System’s origins
PhysOrg | December 13, 2005 | AFP
Posted on 12/14/2005 1:12:29 PM EST by SunkenCiv
http://www.freerepublic.com/focus/f-chat/1540338/posts

Comet’s course hints at mystery planet [ from 2001 ]
Govert Schilling | last updated February 5th, 2002 | Govert Schilling
Posted on 08/18/2006 5:36:59 PM EDT by SunkenCiv
http://www.freerepublic.com/focus/f-chat/1686125/posts


2 posted on 04/24/2007 10:55:12 AM PDT by SunkenCiv (I last updated my profile on Tuesday, April 24, 2007. https://secure.freerepublic.com/donate/)
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http://www.freerepublic.com/focus/keyword?k=sedna

[OTOH...]

Giant Kuiper Belt planetoid Sedna may have formed far beyond Pluto
Physics Org (http://www.physorg.com/) | January 24, 2005 | Southwest Research Institute
Posted on 10/22/2005 4:05:39 PM EDT by SunkenCiv
http://www.freerepublic.com/focus/f-chat/1507383/posts

[more, older]

Distant planetoid Sedna gives up more secrets
New Scientist | 4/15/05 | Maggie McKee
Posted on 04/16/2005 2:23:49 AM EDT by LibWhacker
http://www.freerepublic.com/focus/f-news/1384847/posts.

Distant Sedna Raises Possibility of Another Earth-Sized Planet in Our Solar System
Space.com | 3/16/04 | Robert Roy Britt
Posted on 03/18/2004 5:00:00 PM EST by LibWhacker
http://www.freerepublic.com/focus/f-news/1100694/posts


3 posted on 04/24/2007 10:58:09 AM PDT by SunkenCiv (I last updated my profile on Tuesday, April 24, 2007. https://secure.freerepublic.com/donate/)
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To: annie laurie; garbageseeker; Knitting A Conundrum; Viking2002; Ernest_at_the_Beach; mikrofon; ...
 
X-Planets
· join · view topics · view or post blog · bookmark · post new topic ·

4 posted on 04/24/2007 11:00:38 AM PDT by SunkenCiv (I last updated my profile on Tuesday, April 24, 2007. https://secure.freerepublic.com/donate/)
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To: SunkenCiv

Far out, man.


5 posted on 04/24/2007 1:59:49 PM PDT by martin_fierro (< |:)~)
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To: SunkenCiv

Maybe we should send Pelosi and Reid to check out the situation out there...


7 posted on 04/25/2007 7:45:50 AM PDT by KingRonnie9
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