Researchers find evidence of a real ninth planet

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Message 1757687 - Posted: 20 Jan 2016, 18:10:21 UTC

Researchers find evidence of a real ninth planet

"Caltech researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth and orbits about 20 times farther from the sun on average than does Neptune (which orbits the sun at an average distance of 2.8 billion miles). In fact, it would take this new planet between 10,000 and 20,000 years to make just one full orbit around the sun."
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Message 1757701 - Posted: 20 Jan 2016, 19:35:57 UTC - in response to Message 1757687.  

Researchers find evidence of a real ninth planet

"Caltech researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth and orbits about 20 times farther from the sun on average than does Neptune (which orbits the sun at an average distance of 2.8 billion miles). In fact, it would take this new planet between 10,000 and 20,000 years to make just one full orbit around the sun."


Nibiru? :)
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Message 1757712 - Posted: 20 Jan 2016, 19:59:36 UTC

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Message 1757742 - Posted: 20 Jan 2016, 22:59:51 UTC

OK assuming it's there and wandering through the oort cloud they will have to modify the definition of a planet again, unless there is a hole in the oort cloud where this planet passes through. I seem to remember one of the conditions was that to be called a planet an object has to have cleared it's orbital path
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Message 1757750 - Posted: 20 Jan 2016, 23:36:47 UTC - in response to Message 1757742.  

Mike Brown "Pluto Killer" says it "the most planet-y of the planets in the whole solar system.":)
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Message 1757751 - Posted: 21 Jan 2016, 0:06:04 UTC

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Message 1757752 - Posted: 21 Jan 2016, 0:09:54 UTC - in response to Message 1757712.  

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Message 1757759 - Posted: 21 Jan 2016, 1:00:49 UTC - in response to Message 1757742.  

I seem to remember one of the conditions was that to be called a planet an object has to have cleared it's orbital path


Wikipedia wrote:
cleared its neighborhood

Definition Of A Planet
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Message 1757763 - Posted: 21 Jan 2016, 1:41:27 UTC - in response to Message 1757759.  

I seem to remember one of the conditions was that to be called a planet an object has to have cleared it's orbital path


Wikipedia wrote:
cleared its neighborhood

Definition Of A Planet


http://en.m.wikipedia.org/wiki/Definition_of_planet#Clearing_the_neighbourhood

Why not point particularly to this point?

Anyway, seems to me calling "clearing the neighborhood" vague, when what is described as other things being attracted (such as moons), might be a false dichotomy. Why call a moon debris?
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Message 1757826 - Posted: 21 Jan 2016, 11:51:24 UTC

I would rather read this from the horses mouth thank you.

Caltech

But as they say

The researchers, Konstantin Batygin and Mike Brown, discovered the planet's existence through mathematical modeling and computer simulations but have not yet observed the object directly.

But we discovered other planets that way. It wouldn't surprise me if there were another 1/2 dozen objects orbiting the Sun.
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Message 1758454 - Posted: 23 Jan 2016, 1:37:31 UTC

If they know approximately where this new planet is, it seems to me that if they search that part of the sky diligently eventually it would cross the path of a star and block it from view and as it moves through the sky it should do this in a predictable pattern.
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Message 1759121 - Posted: 25 Jan 2016, 1:16:00 UTC

OK, does anyone know whether this new planet is big enough to block the light from a star it passes in front of?
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Message 1759144 - Posted: 25 Jan 2016, 2:52:22 UTC - in response to Message 1758454.  

If they know approximately where this new planet is, it seems to me that if they search that part of the sky diligently eventually it would cross the path of a star and block it from view and as it moves through the sky it should do this in a predictable pattern.

Me thinks that is one of the things they are doing.
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Message 1759160 - Posted: 25 Jan 2016, 3:46:55 UTC - in response to Message 1759144.  

If they know approximately where this new planet is, it seems to me that if they search that part of the sky diligently eventually it would cross the path of a star and block it from view and as it moves through the sky it should do this in a predictable pattern.

Me thinks that is one of the things they are doing.

Mr. Brown, demoter of Pluto, has been doing that for some time in an all sky survey. I'm pretty sure the math won't get them to the beam width of a telescope, so any search will have still have to cover a lot of sky. Perhaps something for the James Webb once it gets off the ground.
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Message 1759161 - Posted: 25 Jan 2016, 3:52:57 UTC - in response to Message 1759160.  

If they know approximately where this new planet is, it seems to me that if they search that part of the sky diligently eventually it would cross the path of a star and block it from view and as it moves through the sky it should do this in a predictable pattern.

Me thinks that is one of the things they are doing.

Mr. Brown, demoter of Pluto, has been doing that for some time in an all sky survey. I'm pretty sure the math won't get them to the beam width of a telescope, so any search will have still have to cover a lot of sky. Perhaps something for the James Webb once it gets off the ground.

Well it's so far out there that the light reflected off it will be be very dim.
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Message 1759168 - Posted: 25 Jan 2016, 4:28:37 UTC

In this case they won't be looking for light reflected off the planet. Instead they are looking for stars that either go dim or disappear briefly when planet nine passes in front of them. Maybe big stars that are fairly close wouldn't have a noticeable drop in appearance but there are a lot of stars in all parts of the sky that are very small and would be blocked momentarily.
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Message 1759575 - Posted: 27 Jan 2016, 5:18:13 UTC - in response to Message 1757701.  

Researchers find evidence of a real ninth planet

"Caltech researchers have found evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. The object, which the researchers have nicknamed Planet Nine, has a mass about 10 times that of Earth and orbits about 20 times farther from the sun on average than does Neptune (which orbits the sun at an average distance of 2.8 billion miles). In fact, it would take this new planet between 10,000 and 20,000 years to make just one full orbit around the sun."


Nibiru? :)



Nibiru .....Yep otherwise known as a Brown Dwarf , Planet Killer ....AHHHHHHHH!!!


Coming to your Sky's ...."when ?"

Why March this year Sir

Now weather the Plant-X is Nibiru or just a gas giant like what they think it 'is the astronemers might just look on dare I say this You-Tube at the vids witch show a second sun or Plant not that long ago , seen in many country's at dawn or dusk .

They may be able to plot it's orbit and work out where it is , then point there Scopes to where it should be and ..

Shut the Bloody Christians up about Nibiru and the End of the world ...Please

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Message 1759632 - Posted: 27 Jan 2016, 10:45:42 UTC - in response to Message 1757742.  

OK assuming it's there and wandering through the oort cloud they will have to modify the definition of a planet again, unless there is a hole in the oort cloud where this planet passes through. I seem to remember one of the conditions was that to be called a planet an object has to have cleared it's orbital path

if there's such a planet, in which I don't believe is possible, it would clear it's path every time it passes through Oort cloud! & bring "havoc" with it, launching a lot of comets into inner Solar system...
;)

but I don't believe in it, 'cause NEO-WISE didn't find it...but it found a Brown dwarf some 7ly away in our neighborhood!
B)

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Message 1761575 - Posted: 2 Feb 2016, 10:24:14 UTC

I don't believe one thing of it. I think it's another case of Nibiru fever.
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Message 1761621 - Posted: 2 Feb 2016, 12:43:50 UTC
Last modified: 2 Feb 2016, 12:45:56 UTC

If it is actually there it will probably turn out to be a another lump of icy rock that isn't a real planet at all. There could also be another dozen of them out there. But what difference would it make to mankind's future? Will it cure cancer, eradicate war and poverty? Nope, just another line in some astronomers CV.
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Message boards : Science (non-SETI) : Researchers find evidence of a real ninth planet


 
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