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"Curious tilt of the sun traced to undiscovered planet"

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  "Curious tilt of the sun traced to undiscovered planet" Lynn McGuire <lynnmcguire5@gmail.com> - 2016-10-20 15:18 -0500
    Re: "Curious tilt of the sun traced to undiscovered planet" Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2016-10-20 13:40 -0700
      Re: "Curious tilt of the sun traced to undiscovered planet" Robert Bannister <robban@clubtelco.com> - 2016-10-21 10:05 +0800
        Re: "Curious tilt of the sun traced to undiscovered planet" Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-10-20 20:31 -0600
          Re: "Curious tilt of the sun traced to undiscovered planet" djheydt@kithrup.com (Dorothy J Heydt) - 2016-10-21 05:23 +0000
        Re: "Curious tilt of the sun traced to undiscovered planet" Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2016-10-20 20:00 -0700
          Re: "Curious tilt of the sun traced to undiscovered planet" wdstarr@panix.com (William December Starr) - 2016-10-21 08:23 -0400
            Re: "Curious tilt of the sun traced to undiscovered planet" Gutless Umbrella Carrying Sissy <taustinca@gmail.com> - 2016-10-21 09:14 -0700
        Re: "Curious tilt of the sun traced to undiscovered planet" djheydt@kithrup.com (Dorothy J Heydt) - 2016-10-21 05:22 +0000
      Re: "Curious tilt of the sun traced to undiscovered planet" William Hyde <wthyde1953@gmail.com> - 2016-10-20 20:07 -0700
        Re: "Curious tilt of the sun traced to undiscovered planet" David DeLaney <daviddelaney@earthlink.net> - 2016-10-21 02:56 -0500
          Re: "Curious tilt of the sun traced to undiscovered planet" wdstarr@panix.com (William December Starr) - 2016-10-21 08:25 -0400
            Re: "Curious tilt of the sun traced to undiscovered planet" Don Kuenz <g@crcomp.net> - 2016-10-21 14:56 +0000
    Re: "Curious tilt of the sun traced to undiscovered planet" Robert Carnegie <rja.carnegie@excite.com> - 2016-10-20 14:30 -0700
      Re: "Curious tilt of the sun traced to undiscovered planet" Lynn McGuire <lynnmcguire5@gmail.com> - 2016-10-20 16:48 -0500
        Re: "Curious tilt of the sun traced to undiscovered planet" Robert Carnegie <rja.carnegie@excite.com> - 2016-10-20 15:40 -0700
        Re: "Curious tilt of the sun traced to undiscovered planet" Quadibloc <jsavard@ecn.ab.ca> - 2016-10-20 17:19 -0700
          Re: "Curious tilt of the sun traced to undiscovered planet" Cryptoengineer <treifamily@gmail.com> - 2016-10-20 19:40 -0500
      Re: "Curious tilt of the sun traced to undiscovered planet" Robert Bannister <robban@clubtelco.com> - 2016-10-21 10:07 +0800
    Re: "Curious tilt of the sun traced to undiscovered planet" "nuny@bid.nes" <Alien8752@gmail.com> - 2016-10-20 17:09 -0700
    Re: "Curious tilt of the sun traced to undiscovered planet" Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-10-20 19:15 -0600
      Re: "Curious tilt of the sun traced to undiscovered planet" Quadibloc <jsavard@ecn.ab.ca> - 2016-10-20 19:48 -0700
        Re: "Curious tilt of the sun traced to undiscovered planet" Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-10-20 21:21 -0600
          Re: "Curious tilt of the sun traced to undiscovered planet" Quadibloc <jsavard@ecn.ab.ca> - 2016-10-21 10:13 -0700
        Re: "Curious tilt of the sun traced to undiscovered planet" Greg Goss <gossg@gossg.org> - 2016-10-22 10:13 -0600
          Re: "Curious tilt of the sun traced to undiscovered planet" Quadibloc <jsavard@ecn.ab.ca> - 2016-10-22 18:37 -0700
            Re: "Curious tilt of the sun traced to undiscovered planet" Greg Goss <gossg@gossg.org> - 2016-10-23 11:54 -0600
          Re: "Curious tilt of the sun traced to undiscovered planet" Cryptoengineer <treifamily@gmail.com> - 2016-10-22 21:36 -0500
      Re: "Curious tilt of the sun traced to undiscovered planet" David DeLaney <daviddelaney@earthlink.net> - 2016-10-21 02:58 -0500
    Re: "Curious tilt of the sun traced to undiscovered planet" Dan Tilque <dtilque@frontier.com> - 2016-10-19 19:49 -0700
      Re: "Curious tilt of the sun traced to undiscovered planet" wdstarr@panix.com (William December Starr) - 2016-10-21 08:20 -0400
        Re: "Curious tilt of the sun traced to undiscovered planet" Quadibloc <jsavard@ecn.ab.ca> - 2016-10-21 10:15 -0700
        Re: "Curious tilt of the sun traced to undiscovered planet" Dan Tilque <dtilque@frontier.com> - 2016-10-21 20:39 -0700
          Re: "Curious tilt of the sun traced to undiscovered planet" David DeLaney <daviddelaney@earthlink.net> - 2016-10-22 00:21 -0500
            Re: "Curious tilt of the sun traced to undiscovered planet" Quadibloc <jsavard@ecn.ab.ca> - 2016-10-23 19:07 -0700
              Re: "Curious tilt of the sun traced to undiscovered planet" Cryptoengineer <treifamily@gmail.com> - 2016-10-23 21:41 -0500
              Re: "Curious tilt of the sun traced to undiscovered planet" Robert Bannister <robban@clubtelco.com> - 2016-10-25 07:46 +0800
                Re: "Curious tilt of the sun traced to undiscovered planet" Quadibloc <jsavard@ecn.ab.ca> - 2016-10-24 20:14 -0700

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#454642 — "Curious tilt of the sun traced to undiscovered planet"

"Curious tilt of the sun traced to undiscovered planet"
     http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-planet.html

""Because Planet Nine is so massive and has an orbit tilted compared to the other planets, the solar system has no choice but to 
slowly twist out of alignment," says Elizabeth Bailey, a graduate student at Caltech and lead author of a study announcing the 
discovery."

Huh, that is weird.  I would have thought that we would have seen a "massive" planet at the edge of the solar system a long time ago.

Lynn

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#454650

Lynn McGuire <lynnmcguire5@gmail.com> wrote in
news:nub8q4$elg$1@dont-email.me: 

> "Curious tilt of the sun traced to undiscovered planet"
>      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-p
>      lanet.html 
> 
> ""Because Planet Nine is so massive and has an orbit tilted
> compared to the other planets, the solar system has no choice
> but to slowly twist out of alignment," says Elizabeth Bailey, a
> graduate student at Caltech and lead author of a study
> announcing the discovery."
> 
> Huh, that is weird.  I would have thought that we would have
> seen a "massive" planet at the edge of the solar system a long
> time ago. 
> 
It's very, very far out, and does not radiate.

-- 
Terry Austin

Vacation photos from Iceland: 
https://plus.google.com/u/0/collection/QaXQkB

"Terry Austin: like the polio vaccine, only with more asshole."
    -- David Bilek

Jesus forgives sinners, not criminals.

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#454739

On 21/10/16 4:40 am, Gutless Umbrella Carrying Sissy wrote:
> Lynn McGuire <lynnmcguire5@gmail.com> wrote in
> news:nub8q4$elg$1@dont-email.me:
>
>> "Curious tilt of the sun traced to undiscovered planet"
>>      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-p
>>      lanet.html
>>
>> ""Because Planet Nine is so massive and has an orbit tilted
>> compared to the other planets, the solar system has no choice
>> but to slowly twist out of alignment," says Elizabeth Bailey, a
>> graduate student at Caltech and lead author of a study
>> announcing the discovery."
>>
>> Huh, that is weird.  I would have thought that we would have
>> seen a "massive" planet at the edge of the solar system a long
>> time ago.
>>
> It's very, very far out, and does not radiate.
>

Silly me. I assumed "Planet Nine" meant Jupiter, which is not small.

-- 
Robert B. born England a long time ago;
Western Australia since 1972

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#454742

Robert Bannister <robban@clubtelco.com> writes:

> On 21/10/16 4:40 am, Gutless Umbrella Carrying Sissy wrote:
>> Lynn McGuire <lynnmcguire5@gmail.com> wrote in
>> news:nub8q4$elg$1@dont-email.me:
>>
>>> "Curious tilt of the sun traced to undiscovered planet"
>>>      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-p
>>>      lanet.html
>>>
>>> ""Because Planet Nine is so massive and has an orbit tilted
>>> compared to the other planets, the solar system has no choice
>>> but to slowly twist out of alignment," says Elizabeth Bailey, a
>>> graduate student at Caltech and lead author of a study
>>> announcing the discovery."
>>>
>>> Huh, that is weird.  I would have thought that we would have
>>> seen a "massive" planet at the edge of the solar system a long
>>> time ago.
>>>
>> It's very, very far out, and does not radiate.
>>
>
> Silly me. I assumed "Planet Nine" meant Jupiter, which is not small.

I'll bet I'm missing a reference there....  enlighten me?

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#454775

In article <1bvawmph5a.fsf@pfeifferfamily.net>,
Joe Pfeiffer  <pfeiffer@cs.nmsu.edu> wrote:
>Robert Bannister <robban@clubtelco.com> writes:
>
>> On 21/10/16 4:40 am, Gutless Umbrella Carrying Sissy wrote:
>>> Lynn McGuire <lynnmcguire5@gmail.com> wrote in
>>> news:nub8q4$elg$1@dont-email.me:
>>>
>>>> "Curious tilt of the sun traced to undiscovered planet"
>>>>      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-p
>>>>      lanet.html
>>>>
>>>> ""Because Planet Nine is so massive and has an orbit tilted
>>>> compared to the other planets, the solar system has no choice
>>>> but to slowly twist out of alignment," says Elizabeth Bailey, a
>>>> graduate student at Caltech and lead author of a study
>>>> announcing the discovery."
>>>>
>>>> Huh, that is weird.  I would have thought that we would have
>>>> seen a "massive" planet at the edge of the solar system a long
>>>> time ago.
>>>>
>>> It's very, very far out, and does not radiate.
>>>
>>
>> Silly me. I assumed "Planet Nine" meant Jupiter, which is not small.
>
>I'll bet I'm missing a reference there....  enlighten me?

See my other post ... if we bestow planethood on the four largest
asteroids in the Belt, Jupiter really would be Planet Nine.

-- 
Dorothy J. Heydt
Vallejo, California
djheydt at gmail dot com

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#454753

Robert Bannister <robban@clubtelco.com> wrote in
news:e6tbg2F2mp4U2@mid.individual.net: 

> On 21/10/16 4:40 am, Gutless Umbrella Carrying Sissy wrote:
>> Lynn McGuire <lynnmcguire5@gmail.com> wrote in
>> news:nub8q4$elg$1@dont-email.me:
>>
>>> "Curious tilt of the sun traced to undiscovered planet"
>>>      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered
>>>      -p lanet.html
>>>
>>> ""Because Planet Nine is so massive and has an orbit tilted
>>> compared to the other planets, the solar system has no choice
>>> but to slowly twist out of alignment," says Elizabeth Bailey,
>>> a graduate student at Caltech and lead author of a study
>>> announcing the discovery."
>>>
>>> Huh, that is weird.  I would have thought that we would have
>>> seen a "massive" planet at the edge of the solar system a long
>>> time ago.
>>>
>> It's very, very far out, and does not radiate.
>>
> 
> Silly me. I assumed "Planet Nine" meant Jupiter, which is not
> small. 
> 
Are you drinking heavily again?

-- 
Terry Austin

Vacation photos from Iceland: 
https://plus.google.com/u/0/collection/QaXQkB

"Terry Austin: like the polio vaccine, only with more asshole."
    -- David Bilek

Jesus forgives sinners, not criminals.

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#454791

In article <XnsA6A7CB8E13A4Etaustingmail@69.16.179.43>,
Gutless Umbrella Carrying Sissy <taustinca@gmail.com> said:

> Robert Bannister <robban@clubtelco.com> wrote
>
>> Silly me. I assumed "Planet Nine" meant Jupiter, which is not
>> small.
> 
> Are you drinking heavily again?

"I'm not a heavy drinker. I only weigh 90 pounds." (Ba dum BUM!)

(I'm here all week folks. Don't forget to tip your cow.)

-- wds

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#454804

wdstarr@panix.com (William December Starr) wrote in news:nud1bo$qhr$1
@panix3.panix.com:

> In article <XnsA6A7CB8E13A4Etaustingmail@69.16.179.43>,
> Gutless Umbrella Carrying Sissy <taustinca@gmail.com> said:
> 
>> Robert Bannister <robban@clubtelco.com> wrote
>>
>>> Silly me. I assumed "Planet Nine" meant Jupiter, which is not
>>> small.
>> 
>> Are you drinking heavily again?
> 
> "I'm not a heavy drinker. I only weigh 90 pounds." (Ba dum BUM!)

Well, there's your trouble.
> 
> (I'm here all week folks. Don't forget to tip your cow.)
> 
That is very bad for the cow.

-- 
Terry Austin

Vacation photos from Iceland: 
https://plus.google.com/u/0/collection/QaXQkB

"Terry Austin: like the polio vaccine, only with more asshole."
    -- David Bilek

Jesus forgives sinners, not criminals.

[toc] | [prev] | [next] | [standalone]

#454774

In article <e6tbg2F2mp4U2@mid.individual.net>,
Robert Bannister  <robban@clubtelco.com> wrote:
>On 21/10/16 4:40 am, Gutless Umbrella Carrying Sissy wrote:
>> Lynn McGuire <lynnmcguire5@gmail.com> wrote in
>> news:nub8q4$elg$1@dont-email.me:
>>
>>> "Curious tilt of the sun traced to undiscovered planet"
>>>      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-p
>>>      lanet.html
>>>
>>> ""Because Planet Nine is so massive and has an orbit tilted
>>> compared to the other planets, the solar system has no choice
>>> but to slowly twist out of alignment," says Elizabeth Bailey, a
>>> graduate student at Caltech and lead author of a study
>>> announcing the discovery."
>>>
>>> Huh, that is weird.  I would have thought that we would have
>>> seen a "massive" planet at the edge of the solar system a long
>>> time ago.
>>>
>> It's very, very far out, and does not radiate.
>>
>
>Silly me. I assumed "Planet Nine" meant Jupiter, which is not small.

Well, um, no; unless you want to give planetary status to Ceres,
Pallas, Juno, and Vesta, Jupiter is Planet Five.

-- 
Dorothy J. Heydt
Vallejo, California
djheydt at gmail dot com

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#454754

On Thursday, October 20, 2016 at 4:40:33 PM UTC-4, Gutless Umbrella Carrying Sissy wrote:
> Lynn McGuire <lynnmcguire5@gmail.com> wrote in
> news:nub8q4$elg$1@dont-email.me: 
> 
> > "Curious tilt of the sun traced to undiscovered planet"
> >      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-p
> >      lanet.html 
> > 
> > ""Because Planet Nine is so massive and has an orbit tilted
> > compared to the other planets, the solar system has no choice
> > but to slowly twist out of alignment," says Elizabeth Bailey, a
> > graduate student at Caltech and lead author of a study
> > announcing the discovery."
> > 
> > Huh, that is weird.  I would have thought that we would have
> > seen a "massive" planet at the edge of the solar system a long
> > time ago. 
> > 
> It's very, very far out, and does not radiate.

It should radiate well above background in the IR if it's a solar system object.  If it's a much older captured object, its remaining internal heat could be much less.

Jupiter radiates at about 150K, but it gets vastly more solar energy and has more internal heat. So this thing would radiate, at a guess, well below 100K.  I don't have a good idea as to how difficult it is to detect an e.g. 75K source of that size.

William Hyde

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#454785

On 2016-10-21, William Hyde <wthyde1953@gmail.com> wrote:
> Gutless Umbrella Carrying Sissy wrote:
>> Lynn McGuire <lynnmcguire5@gmail.com> wrote in
>> > Huh, that is weird.  I would have thought that we would have
>> > seen a "massive" planet at the edge of the solar system a long time ago. 

Not if we were only really looking in or near the ecliptic, and it's tilted
far out of there.

>> It's very, very far out, and does not radiate.
>
> It should radiate well above background in the IR if it's a solar system
> object.  If it's a much older captured object, its remaining internal heat
> could be much less.
>
> Jupiter radiates at about 150K, but it gets vastly more solar energy and has
> more internal heat. So this thing would radiate, at a guess, well below 100K.
> I don't have a good idea as to how difficult it is to detect an e.g. 75K
> source of that size.

Is this where we segue smoothly into the Stealth Innnnn Spaaaaace thread?

Dave
-- 
\/David	DeLaney	posting	thru EarthLink - "It's not the pot that	grows the flower
It's not the clock that	slows the hour 	The definition's plain for anyone to see
Love is	all it takes to	make a family" - R&P. VISUALIZE	HAPPYNET VRbeable<BLINK>
website on VIC is down,	probably for good - oh well/ I WUV you in all CAPS! --K.

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#454792

In article <sO-dnZa4csGkV5TFnZ2dnUU7-SednZ2d@earthlink.com>,
David DeLaney <daviddelaney@earthlink.net> said:

> William Hyde <wthyde1953@gmail.com> wrote:
>
>> Jupiter radiates at about 150K, but it gets vastly more solar energy
>> and has more internal heat. So this thing would radiate, at a guess,
>> well below 100K.  I don't have a good idea as to how difficult it is to
>> detect an e.g. 75K source of that size.
>
> Is this where we segue smoothly into the Stealth Innnnn Spaaaaace thread?

And if we do it smoothly enough, will it be undetectable?

-- wds

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#454802

William December Starr <wdstarr@panix.com> wrote:
> In article <sO-dnZa4csGkV5TFnZ2dnUU7-SednZ2d@earthlink.com>,
> David DeLaney <daviddelaney@earthlink.net> said:
>
>> William Hyde <wthyde1953@gmail.com> wrote:
>>
>>> Jupiter radiates at about 150K, but it gets vastly more solar energy
>>> and has more internal heat. So this thing would radiate, at a guess,
>>> well below 100K.  I don't have a good idea as to how difficult it is to
>>> detect an e.g. 75K source of that size.
>>
>> Is this where we segue smoothly into the Stealth Innnnn Spaaaaace thread?
>
> And if we do it smoothly enough, will it be undetectable?

"'You'll see me there,' said the Cat, and vanished." :0)

Thank you,

--
Don Kuenz KB7RPU

    I didn't know that Cheshire cats always grinned; in fact, I didn't
know that cats COULD grin. - Alice in Wonderland

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#454662

On Thursday, 20 October 2016 21:18:34 UTC+1, Lynn McGuire  wrote:
> "Curious tilt of the sun traced to undiscovered planet"
>      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-planet.html
> 
> ""Because Planet Nine is so massive and has an orbit tilted compared to the other planets, the solar system has no choice but to 
> slowly twist out of alignment," says Elizabeth Bailey, a graduate student at Caltech and lead author of a study announcing the 
> discovery."
> 
> Huh, that is weird.  I would have thought that we would have seen a "massive" planet at the edge of the solar system a long time ago.

I'd wait for the BBC to report on this - although 
they already have, in January and April:
<http://www.bbc.co.uk/news/science-environment-35996813>

Not "New Scientist".

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#454673

On 10/20/2016 4:30 PM, Robert Carnegie wrote:
> On Thursday, 20 October 2016 21:18:34 UTC+1, Lynn McGuire  wrote:
>> "Curious tilt of the sun traced to undiscovered planet"
>>      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-planet.html
>>
>> ""Because Planet Nine is so massive and has an orbit tilted compared to the other planets, the solar system has no choice but to
>> slowly twist out of alignment," says Elizabeth Bailey, a graduate student at Caltech and lead author of a study announcing the
>> discovery."
>>
>> Huh, that is weird.  I would have thought that we would have seen a "massive" planet at the edge of the solar system a long time ago.
>
> I'd wait for the BBC to report on this - although
> they already have, in January and April:
> <http://www.bbc.co.uk/news/science-environment-35996813>
>
> Not "New Scientist".

Is "New Scientist" www.phys.org ?

Lynn

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#454704

On Thursday, 20 October 2016 22:48:55 UTC+1, Lynn McGuire  wrote:
> On 10/20/2016 4:30 PM, Robert Carnegie wrote:
> > On Thursday, 20 October 2016 21:18:34 UTC+1, Lynn McGuire  wrote:
> >> "Curious tilt of the sun traced to undiscovered planet"
> >>      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-planet.html
> >>
> >> ""Because Planet Nine is so massive and has an orbit tilted compared to the other planets, the solar system has no choice but to
> >> slowly twist out of alignment," says Elizabeth Bailey, a graduate student at Caltech and lead author of a study announcing the
> >> discovery."
> >>
> >> Huh, that is weird.  I would have thought that we would have seen a "massive" planet at the edge of the solar system a long time ago.
> >
> > I'd wait for the BBC to report on this - although
> > they already have, in January and April:
> > <http://www.bbc.co.uk/news/science-environment-35996813>
> >
> > Not "New Scientist".
> 
> Is "New Scientist" www.phys.org ?
> 
> Lynn

Probably not, but Google invited me to read it.
But I don't rate it highly.

Still nothing more from the BBC.  I'll watch.

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#454717

On Thursday, October 20, 2016 at 3:48:55 PM UTC-6, Lynn McGuire wrote:
 
> Is "New Scientist" www.phys.org ?

Definitely not. New Scientist is a British scientific journal, and their URL is

https://www.newscientist.com/

On the other hand, phys.org is a "web-based science and technology news source", 
from its About section.

John Savard

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#454721

Quadibloc <jsavard@ecn.ab.ca> wrote in
news:00bf6769-455a-4ae9-9bb5-229fe1a4be44@googlegroups.com: 

> On Thursday, October 20, 2016 at 3:48:55 PM UTC-6, Lynn McGuire wrote:
>  
>> Is "New Scientist" www.phys.org ?
> 
> Definitely not. New Scientist is a British scientific journal, and
> their URL is 
> 
> https://www.newscientist.com/
> 
> On the other hand, phys.org is a "web-based science and technology
> news source", from its About section.

New Scientist (which I greatly enjoy) is *not* a 'scientific journal'. 
Its a weekly news magazine of science. Think Scientific American 
crossed with Newsweek. It's a lot of fun, but is quite willing to 
sometimes publish highly speculative material.

I reccomend it.

pt
 

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#454740

On 21/10/16 5:30 am, Robert Carnegie wrote:
> On Thursday, 20 October 2016 21:18:34 UTC+1, Lynn McGuire  wrote:
>> "Curious tilt of the sun traced to undiscovered planet"
>>      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-planet.html
>>
>> ""Because Planet Nine is so massive and has an orbit tilted compared to the other planets, the solar system has no choice but to
>> slowly twist out of alignment," says Elizabeth Bailey, a graduate student at Caltech and lead author of a study announcing the
>> discovery."
>>
>> Huh, that is weird.  I would have thought that we would have seen a "massive" planet at the edge of the solar system a long time ago.
>
> I'd wait for the BBC to report on this - although
> they already have, in January and April:
> <http://www.bbc.co.uk/news/science-environment-35996813>

Ah, that one. I don't seem to be able to count properly.

-- 
Robert B. born England a long time ago;
Western Australia since 1972

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#454713

On Thursday, October 20, 2016 at 1:18:34 PM UTC-7, Lynn McGuire wrote:
> "Curious tilt of the sun traced to undiscovered planet"
>      http://phys.org/news/2016-10-curious-tilt-sun-undiscovered-planet.html
> 
> "Because Planet Nine is so massive and has an orbit tilted compared to the
> other planets, the solar system has no choice but to slowly twist out of
> alignment," says Elizabeth Bailey, a graduate student at Caltech and lead
> author of a study announcing the discovery."

  I saw the same article and wondered if that supported the idea that it isn't native to our system- that it was captured during a close pass by another system recently (in geologic terms).

> Huh, that is weird.  I would have thought that we would have seen a "massive"
> planet at the edge of the solar system a long time ago.

  As Terry said, it's very far out and very dark. It wouldn't even be suspected to exist if it weren't for some recently-noticed smaller distant rocks orbiting the Sun rather strangely.


  Mark L. Fergerson

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