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The Second Ring-Moon System of Uranus: Discovery and Dynamics

Deep exposures of Uranus taken with the Hubble Space Telescope reveal two small moons and two faint rings. All orbit outside of Uranus's previously known (main) ring system, but interior to the large, classical moons. The outer new moon, U XXVI Mab, orbits at roughly twice the radius of the main rings and shares its orbit with a dust ring. The second moon, U XXVII Cupid, orbits just interior to the satellite Belinda. A second ring falls between the orbits of Portia and Rosalind, in a region with no known source bodies. Collectively, these constitute a densely packed, rapidly varying, and possibly unstable dynamical system.

1 posted on 12/24/2005 7:02:26 PM PST by neverdem
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To: neverdem

We needed a good "rings around Uranus" thread for those of us who are alone on Christmas Eve! :)


2 posted on 12/24/2005 7:05:14 PM PST by Darkwolf377 (Warning: Adult language, but great Christmas message: http://foamy.libertech.net/noxmas.swf)
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To: neverdem

I hate it when Uranus moons....


3 posted on 12/24/2005 7:06:39 PM PST by Irish_Thatcherite (~~~A vote for Bertie Ahern is a vote for Gerry Adams!~~~)
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To: neverdem

I always thought it was an unfortunate name for a planet.


10 posted on 12/24/2005 7:13:12 PM PST by samtheman
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To: neverdem

.

It's interesting how a report published in a recent Amrican Media, Inc publication stated that the Planet Uranus' now closer proximity to us, relatively speaking, is what's putting unusual gravitational pressure on Earth's geological plates =

Tsunami-causing Earthquakes..?

.


15 posted on 12/24/2005 7:16:21 PM PST by ALOHA RONNIE ("ALOHA RONNIE" Guyer/Veteran-"WE WERE SOLDIERS" Battle of IA DRANG-1965 http://www.lzxray.com)
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To: neverdem

Hubble better not be looking at my.....

Oh never mind...


17 posted on 12/24/2005 7:17:43 PM PST by nevergore (“It could be that the purpose of my life is simply to serve as a warning to others.”)
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To: neverdem

Are moons around Uranus called Dingleoids..?


26 posted on 12/24/2005 7:28:55 PM PST by hosepipe (CAUTION: This propaganda is laced with hyperbole..)
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To: neverdem
Hubble spots Uranus' moons, rings

Meanwhile, in related news...

36 posted on 12/24/2005 7:52:12 PM PST by martin_fierro (See what I did there?)
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To: 2Fro; all_mighty_dollar; Arkat Kingtroll; Battle Hymn of the Republic; Betis70; billycat95130; ...
"The destruction and accumulation of moons and rings is very exciting," said Jack Lissauer of the NASA Ames Research Center at Moffett Field in Mountain View, a principal investigator on the project. "It's showing how this system is very rapidly evolving and showing that the processes which led to the formation of the planets (are) still ongoing today."


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40 posted on 12/24/2005 7:57:15 PM PST by martin_fierro (< |:)~)
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To: neverdem

Many scientists and academics actually pronounce the name of the planet as 'your-UN-ess.' This reflects more accurately the original Greek pronunciation, even if it's not a double entendre in English.


45 posted on 12/24/2005 8:06:47 PM PST by rightwinggoth
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To: neverdem

I ca see a Brokeback Uranus movie in the works from this.


50 posted on 12/24/2005 8:16:10 PM PST by A CA Guy (God Bless America, God bless and keep safe our fighting men and women.)
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To: neverdem
"It's showing how this system is very rapidly evolving and showing that the processes which led to the formation of the planets (are) still ongoing today."

Scientists just discovered this and right off the bat it is considered a process of evolution. What jokesters.

52 posted on 12/24/2005 8:20:56 PM PST by taxesareforever (Government is running amuck)
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To: neverdem

You've got to be careful when Cupid is circling Uranus.


57 posted on 12/24/2005 8:29:50 PM PST by WestVirginiaRebel (The Democratic Party-Jackass symbol, jackass leaders, jackass supporters.)
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To: neverdem

Finally, an explanation for Brown 25 that is understandable.


65 posted on 12/24/2005 8:52:39 PM PST by Atchafalaya (When you're there, that's the best!!)
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To: neverdem
Image hosted by TinyPic.com

77 posted on 12/24/2005 9:38:30 PM PST by ATOMIC_PUNK (secus acutulus exspiro ab Acheron bipes actio absol ab Acheron supplico)
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To: neverdem

As many say in San Francisco "Ummm! love, Uranus!"

81 posted on 12/24/2005 10:59:09 PM PST by the_daug
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To: neverdem
Aren't the moons of Uranus actually hemorrhoids
95 posted on 12/25/2005 5:34:05 AM PST by bert (K.E. ; N.P . Slay Pinch)
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To: RightWhale; Brett66; xrp; gdc314; sionnsar; anymouse; NonZeroSum; jimkress; discostu; The_Victor; ..

98 posted on 12/26/2005 9:45:55 AM PST by KevinDavis (http://www.cafepress.com/spacefuture)
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To: neverdem
Good grief.
Another Uranus post.
99 posted on 12/26/2005 3:08:39 PM PST by curmudgeonII (If you're a classicist read Gibbon's description of Emperor Phillip.)
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self-ping
http://www.freerepublic.com/focus/keyword?k=uranus


100 posted on 12/26/2005 6:33:58 PM PST by SunkenCiv ("In silence, and at night, the Conscience feels that life should soar to nobler ends than Power.")
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To: neverdem; tricky_k_1972; KevinDavis

similar, a little older:

Two more rings discovered around Uranus
MSNBC/AP | Dec. 22nd
Posted on 12/22/2005 11:55:15 AM PST by iPod Shuffle
http://www.freerepublic.com/focus/f-chat/1545558/posts


101 posted on 12/26/2005 6:40:28 PM PST by SunkenCiv ("In silence, and at night, the Conscience feels that life should soar to nobler ends than Power.")
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