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Talk-Polywell.org • Planet Nine from Outer Space!
Page 1 of 2

Planet Nine from Outer Space!

Posted: Wed Jan 20, 2016 9:21 pm
by choff
http://www.msn.com/en-ca/news/techandsc ... li=AAggNb9

If found, I propose naming it 'Nemesis'.

Re: Planet Nine from Outer Space!

Posted: Thu Jan 21, 2016 9:52 am
by zapkitty

Re: Planet Nine from Outer Space!

Posted: Thu Jan 21, 2016 3:00 pm
by Tom Ligon
I like Nemesis, too. Originally that was proposed for a brown dwarf suspected to be lurking out there.

But they've gotta find it first. That's not an impossible task but it will take a very deliberate effort and some luck to find something that small and dim at that distance. So far all they have is a suspected wake of disturbed comets.

It is possible that we've already seen it and just have not yet identified it in a mountain of data.

Re: Planet Nine from Outer Space!

Posted: Fri Jan 22, 2016 7:28 am
by JoeP
As tough as it is to find, ten times Earth mass almost puts up up in Uranus category. All the more intriguing to me if it isn't a gas giant type planet.

Re: Planet Nine from Outer Space!

Posted: Fri Jan 22, 2016 3:00 pm
by Tom Ligon
At that distance out it might be an 'ice giant". That would be more compact. And the surface would likely be as dark grey as a charcoal briquette. Difficult, but not hopeless. They're tracking much smaller comets to infer its existence.

The long view is that you need enough data and you need funds to sift thru it. I think this news may not be all that fresh, but what we're seeing is an attempt to drum up some excitement to generate funds.

Re: Planet Nine from Outer Space!

Posted: Fri Jan 22, 2016 4:40 pm
by ladajo
Or... it could be an alien large scale base ship, that is maintaining a barrier between us and the busy interstellar activities of the galactic empire, because we are not yet developed enough emotionally or technologically to join the club.

Re: Planet Nine from Outer Space!

Posted: Fri Jan 22, 2016 6:11 pm
by Maui
i.e., Starkiller Base?

Re: Planet Nine from Outer Space!

Posted: Fri Jan 22, 2016 9:22 pm
by JoeP
Wait a minute. Could we have detected the Swarm Mother's invasion fleet? :idea: Someone let DeltaV know about this thread. Need some input on that.

Re: Planet Nine from Outer Space!

Posted: Fri Jan 22, 2016 9:24 pm
by krenshala
If the Swarm Mother's ship is the right distance away, I could see it only (a)periodically occluding ~20% of that stars light.

Re: Planet Nine from Outer Space!

Posted: Sat Jan 23, 2016 3:13 am
by 93143
I've got to say, I don't like the idea of calling it Nemesis.

In the first place, Nemesis was supposed to be much further out than this thing; its orbital period would be a couple thousand times as long, and instead of perturbing the Kuiper belt to confuse astronomers with Sedna-like objects, it would perturb the outer edge of the Oort cloud to bombard Earth with comets (hence the name, which is therefore inappropriate for "Planet 9" unless it can be shown to have played a similar role).

In the second place, while the Nemesis hypothesis has been in disfavour lately, I don't think we know for sure that it (or something much more like it than this new planet candidate is) isn't real. It'd be a shame if we actually found it and couldn't call it by its true name because we wasted it on some piddly ice giant 100 times closer to the sun... People on NASASpaceFight have already been complaining that we wasted all the Roman gods on asteroids...

Re: Planet Nine from Outer Space!

Posted: Sat Jan 23, 2016 4:39 am
by Tom Ligon
OK, but here's the thing ... if there is no brown dwarf out there at 1.5 LY, but we can find an icy Neptune out at something like 600 AU, then why waste an absolutely marvelous name?

And at 600 AU, I think that's outside the usual definition of the Kuiper belt, but not into the Oort cloud. If, in fact, it has cleared smaller bodies from that gap, it meets the definition of planet. I would be interesting if it is actually a shepherding influence that created the Kuiper belt.

Re: Planet Nine from Outer Space!

Posted: Sat Jan 23, 2016 7:34 am
by choff
I like Nemesis, I sort of want it to have this highly elliptical orbit that brings closer to the sun than Mercury every 10,000 years. Dragging an enormous train of comets on a civilization destroying direct path with earth. It gives me this warm fuzzy feeling I only get from reading 'Worlds in Collision'.

Re: Planet Nine from Outer Space!

Posted: Mon Jan 25, 2016 7:28 pm
by DeltaV

Re: Planet Nine from Outer Space!

Posted: Tue Jan 26, 2016 9:31 am
by paperburn1
No Problem, I will reject your reality and substitute may own. :D

Re: Planet Nine from Outer Space!

Posted: Wed Jan 27, 2016 4:47 pm
by DeltaV
As long as you can still distinguish relative reality from absolute reality, you should do fine.