Not Finding Planet 9 Might be Bigger News than Finding It
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- Опубліковано 16 бер 2024
- And exploration and update of news regarding the hypothesized planet nine, and the implications of what would happen if it wasn't found.
My Patreon Page:
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My Event Horizon Channel:
/ eventhorizonshow
Konstantin Batygin on Event Horizon:
• Does Planet Nine Exist...
• Where is Planet 9? wit...
Papers:
"A Panstarrs1 Search for Planet Nine", Brown, Holman, Batygin, 2024
arxiv.org/abs/2401.17977
"Modified Newtonian Dynamics as an Alternative to the Planet Nine Hypothesis" Katherine Brown and Harsh Mathur, 2023
iopscience.iop.org/article/10...
Music:
Intermission in D by Miguel Johnson
migueljohnson.bandcamp.com/
Impending Boom by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. creativecommons.org/licenses/...
Source: incompetech.com/music/royalty-...
Cylinder Eight by Chris Zabriskie is licensed under a Creative Commons Attribution 4.0 license. creativecommons.org/licenses/...
Source: chriszabriskie.com/cylinders/ - Наука та технологія
Having exoplanets be discovered and confirmed in my lifetime was cool but finding a new planet within our own solar system in my lifetime would be even cooler.
As far as I'm concerned the discovery of other Pluto like ice dwarfs has already done it for me.
Hadn't thought about it that way. I agree.
I mean yeah
I’ll have gone from having 9 planets around when I was born, to 9 planets around now
im more concerned about getting our physics and maths correct, fuck the planets... if we find a new math it will change human civilization forever
I have a feeling once we start forgetting about planet 9 and start talking about something else. It's just gonna pop out of nowhere
What if Planet 9 affected objects and then evaporated or otherwise naturally disappeared? Or what if it broke up into more Kuiper Belt objects?
Could be a rogue planet now
.....in another galaxy far far away... Where space wizards use something called the force and plasma swords to vanguish the evil space wizards....and as we know a planet is never late Mr. Tay Zonday, it arrives precisely when it's supposed too....
Or....a Rogue planet hit and destroyed it like you suggested because it was trying the Kessel Run in less than 12 parsecs....
Just saying ya know. ....
@tayzonday I propose that this be referred to as the “Chocolate Rain-dom Capture Hypothesis” from here on out
Fucken chocolate rain
The perturbations are recent enough that the likelihood the primordial black having evaporated during our existence is pretty slim.
I've also heard the theory that it could be a brown dwarf out there. Big enough to cause a ruckus, but not big enough for any noticable gravitational lensing.
It couldn't have broken up because there would be a detectable trail of that. Like a Boulder falling down a mountain breaking as it goes, you will eventually find all or at least some of the pieces even if it is amongst a lot of other broken boulders.
Obviously the Nibiru High Command has simply decided to leave their cloak screens activated for the duration of the digital age of Humanity.
The radiation from that cloak screen is really going to be wreaking havoc on their fertility. 😉
The bureau of nibiru.
They're just waiting til all these robotics/AI companies can make autonomous gold miners.
shy bois
This comment transported me back to 2012 youtube
The internet says that Proteus, a moon of Neptune, has a very low albedo and reflects only 6% of the light that hits it, making it one of the darkest objects in the solar system. If there was a Mars sized planet with this same albedo at 800 AU would our best telescopes be able to detect it?
I think so.
Yes, but only by the transit method, but that's not a problem per se. AI is already working on it. The issue is the lack of optical telescopes with decent resolutions at that distance. We could detect it tomorrow, if it exists, if we knew where to point our lenses. Mars sized is easy, even at that distance, if you know where to look, which a real catch 22.....
Well how did we detect Proteus?
@@peanutgallery4by sending Voyager 2 right past it
@@peanutgallery4also it eclipses Neptune and it’s not 800 AU away
Congrats on nearing 400k subs. I’ve been here since you were at like 20-30k.
Thank you for your hard work and research!
yeah been here for a long time too...i remember joe scott mention John in one of his early videos ( when he still had that skin issue)
been here from 2018
whats funny is that all his videos have had the same format the whole time. And I like that.
Me too.... I'm not against change...but if it ain't broke....yada yada yada....
Yeah, been here for a long time too. I just checked and I subscribed June 5th, 2019. I don't know what the sub count was at that time though.
happy 400k, you and Issac Arthur have been my most played channels for a few years now, love the work you guys do.
Thanks! You know Isaac is within reach of a million now. I'm hoping he gets there, a very well deserved million for all the work he puts into his content.
I genuinely hope Planet Nine is real and is found within my lifetime, because I grew up back when the Solar System had nine planets and I want the Solar System to have nine planets again.
A black hole with a mass comparable to a terrestrial planet would have a size of 2 cm (one inch) and practically emit no light, absorb no light and create an extremely tiny gravitational lens.
We would not be able to find it with current tech, even if we had an idea of where to look.
you're wrongly assuming we have to see it to find it
@@DevinDTVwell we have to detect It regardless
We could, we could use a solar reflector to pulse clouds of dust off mars into the zone and watch for slipstreams.
But using really modern tech... Theyre using the signal disruptions in wifi and cell signals to see people moving behind walls now. I don't see why we couldn't use the same concept to scan our local neighborhood. The signals are all active we just need a few sensors to monitor the changes and it would provide us with a pretty decent 3d map.
So cheap to do also.
If we know the rough orbit we could also use doped entangled particles to monitor forces at a distance like a little minefield of sensors. Or even turn our constellation satellites out to space and use these French briefcase sized particle colliders to emit a scanning particle beam.
We very much have the tech.
What do you mean by gravitational lens? If you mean an observer able effect, the entire root of the problem is the concrete observable effect we are seeing. While the size of the black hole might be incredibly small and hard to see; we don’t need to see it we just need to better narrow down our centering of its effect
The BlackHole is not 2cm in size. That is the diameter of its EventHorizon. With this and its distance it is possible to calculate the radius of its gravitational lensing.
Every system has a tiny black hole in them that serves as a wormhole to the centre of the milky way. How thoughtful!
Where did you find that out from?
Good level design, thanks god!
And the massive one in the middle of the milky way leads to all other galaxies. I thought this was common knowledge on Earth. what are they teaching you Earthlings these days....
Edit: I see, they are teaching Equity, you can imagine yourself as anything, and how all Huwhytes males are evil. Seems like stuff you'd brainwash smooth brains to believe if say a conquering force was inbound from another galaxy....
Rubs hands together gleefully
@@epicwinningI think this is reference to No Mans Sky
We need to search harder if this the case 😂
400k never before has a UA-camr been so underrated, well done john love you man peace 🕊️
Thanks JMG. Another really great video.
Our entire Binary Solar System is in our skies as I type..It is Carlos Munoz' Ferrada's Herculobus aka Comet/Planet system..The Earth will experience another Atlantean event in 2024..
A fellow JMG enjoyer!
Hello Wolter, I watch your videos 👍🏻☘️
Pointless comment
All of them are
❤
you deserve more attention, i love these videos and how well them calm my anxiety/insomnia, i think ive literally watched every video on your channel, keep up the great work!
Sameee, they help calm me down and sleep. And yeah I've pretty much watched every video. I love JMG!
Likewise. There's a good Lil podcast I find helps too. The unexplained with Howard Hughes. Great guests especially for the UFO related stories. Genuine nice guy who's a pleasure to listen to and has interesting topics. Can't sleep without it, my brain gets too busy.
There's one study that suggests the odd orbits are due to the cumulative gravitational effect of all the small bodies in the outer solar system -- essentially the sum total mass of the Kuiper Belt. In most calculations, according to this study, this mass is left out of calculations to simplify the orbital math when looking for Planet 9.
Party pooper. But I know you made up that alleged study.
The sum total mass of all the small and non reflective “stuff” floating out there has always seemed like the obvious answer to me
Dear me, is anyone else blown away, or I'm I too high?
But then you'd just have a new mystery: Why are the Kuiper objects arranged like that rather than being more homogenous?
Really the mystery is "why is gravity in the solar system a bit weird?" and we've shortened it to "WHAT is causing gravity in the solar system to be a bit weird? and where is it?"
That's my theory on dark matter, it's just the many quantum particles popping in and out of existence in a diffuse cloud form.
You won't ever see it as it disappears too quickly, you cant focus on it as it's so diffuse.
But it could provide a fair amount of gravity linking over vast distances. And would stop expansion most probably. We're gonna do space hugs one day rather than everyone disappearing into the void forever. :)
Saying “when you account for dark matter everything works” is a pretty ridiculous statement, as dark matter is just an insert of something unknown because the physics DOESN’T work. Dark matter is a placeholder for something we cant observe to make our physics work. I think the simple answer is simply that we have something WRONG in physics, or we have something wrong (massively) in our observations.
This is my gut instinct, too. Dark matter is a convenient theory, but it feels like epicycles.
It’s more complicated than that. When one supposes the existence of extra hidden mass, one gets a set of new predicted effects that come as a package. Can’t have one without the others. The reason many find the dark matter hypothesis convincing is that observational evidence almost always seems to deliver that whole package anywhere we look. MOND is a lot less consistent.
I think that was his point
I agree. Something about our understanding is off the mark, and that's exciting.
It might not be invisible matter that only interacts with gravity, but it certainly acts like that’s what it is
I have never regretted being subscribed to this channel. This and your Event Horizon, both absolute gems.
How much regret could possibly come from subscribing to a you tube channel? You say it like it’s a huge relief that you didn’t have any regret like it could have gone the other way and really dragged you down.
Nothing like drifting into sleep with these videos playing
Sedna alone has an aphelion of 937 AU. If planet nine exists it could be a theoretical mass like a carbon planet with a really low albedo and an orbit that reaches into the Oort Cloud.
Apropos of Sedna, it's approaching its perihelion. Are there any plans ro launch a probe to visit it in this once-in-11-millennia opportunity?
Because if not, that's making me REALLY antsy.
@@JohnGardnerAlhadisIt has been purposed, but none that i know of currently at any level of realization sadly, we still got like 50 - 70 years before its gonna get stupidly difficult so heres to hoping
Shut up nerd. Pluto is the 9th planet.
A probe usually needs ten years to make, and another 15 years to get out to the edge of the system. With Starship comming soon, it will be much cheaper to realize such a mission, but can also cut down developement time for lack of size restrictions.
I don't know of any such mission currently planned, but this can change very soon now.
🚀🏴☠️🎸
@@JohnGardnerAlhadishow close is it during perihelion? Maybe its still not too late
I personally believe that if we ever find Planet Nine, it'll be by complete accident and that it probably wouldn't be anytime soon. I also believe that it really does exist so I'm hoping like hell it's found (and studied with advanced probes) within my lifetime. But, considering how long it took the Voyager probes to get to where they're currently at, I really need Planet Nine found as soon as possible so that I'd live to see a probe reach it.
And, with my luck, it won't be in the other 28% they have left to look; It'll be off a bit -- in an area that doesn't even make sense for it to be in -- and will ultimately go completely unnoticed. I'm clearly pretty desperate for this damn thing to exist, but it's exciting to think about and I've spent my entire life hoping that it's out there somewhere.
I know the science is still out on Scholz star, but if the theory is that it passed through the Oort cloud roughly 70,000 years ago and any perturbed comets are still 1,000,000 years away from arriving in our neighborhood...isnt it a possibility that a recent wandering star could account for the gravity anomalies that we have so far witnessed?
I was just going to make a similar comment. According to wikipedia, it got within 50k AU (~0.8 light year) of the Sun. I'm not sure if that's close enough to cause the observed effects. But maybe it had an indirect effect?
Stars can pass as close as 0.16 lightyears from the sun, and probably even closer, so it’s not out of the question
But if it was recent enough to have an observable effect then we’d see it speeding away from our solar system and be able to trace its trajectory backwards
There is a great video by a YTer called Zepherus about the whole Vulcan fiasco. Well worth 50 mins of anyone's time.
Agreed. Well worth making a cuppa and finding a comfy seat for that one.
ua-cam.com/video/iJyweEcpsGc/v-deo.htmlsi=g4KClg_AZ7Lo0Q4y for the lazy people that don't want to compare plates to look for movement 😊
It could also be that whatever tugged the objects, doesn't have to be an object with us _today_
The solar system is 4.5 billion years old, and there have been stars that have wandered in less than 1 light year.
It could be that it is common for stars to get so close, close enough to perturb objects.
It could lead way to explaining why our solar system is so weird compared to other stars.
thanks for subtitles!
Oh yes! Greatly appreciated 👍 🙏
A gravitational anomaly of this magnitude is worthy of some more videos, imo. Would love to hear some Isaac Arthur theories on what else it could be, with the planet option deliberately being left off the table. Might be good for SpoOky OcTober!
This type of mystery is what makes the universe so intriguing. Keep them coming John!
If planet 10 is found before planet 9, the planet 10 becomes planet nine and planet 11 becomes planet 10. Simple.
Or we give Pluto the apology is deserves and gets promoted back to planet 9. Problem solved.
I'm not high enough for this comment
Love your videos I usually listen to them while I'm doing stuff around my house or while I'm at work
Glad to see you survived the hail (RIP your recycling bin). A low-mass, primordial black hole would still be scary to me, I mean...couldn't they become larger if they consume more, or is there no danger of this happening? And would their physics truly mirror those of their more massive and super-massive cousins?
It would be like an inch in diameter. It would need to eat a LOT to suddenly grow much larger. Mass going in equals mass of the black hole. It would need to be gobbling up entire planets worth of materials, which it’s not because we’d be seeing the plasma and other effects of that like jets and other disturbances/phenomena.
If it exists, it's always been there, it would need to somehow gain the mass of a star to somehow be dangerous
This needs a sequel video!
Half past midnight and struggling to get off...que John. 2 minutes in and a big yawn... thanks for our sleepy time talks JMG... 😉
To get off?!
A question I would pose would be that more planets could have existed but have collided and are now not a planet(s) but THE kuiper belt itself. Triton perhaps being the sole survivor of the in-falling dwarf planets that once were around.
Thank you for the planet 9 video.
What an awesome talk! Thank you!
"Linked to the paper below" I Love it John!
Good video John! I would love more on MOND
That might make up for the injustice of depriving us of Pluto. Just maybe.
Your videos are incredible adverts for your books! Well done!
Love when you mention in-progress experiments.
been on youtube since 2009 i thinks...This channel is one of the best ever!
So the response is basically "A very tiny black hole, you can't see it because it blac and so small" and "if the gravity won't behave than fuck it I'll make my own"
Thank you for all the great videos
Love these videos, I'm sure you have a truckload of content you're working on, but I saw something of interest that may make a good video.
Rajendra Gupta apparently is challenging the existence of dark matter in a new paper. I don't know much about it but could make for some great discussion!
Forever excited for the next video!
Is there any chance that planet 9 or so got ejected from the solar system last time we had a near by encounter with a star system , like in the same way Oort cloud objects fall into the inner solar system? If possible, would the objects already in strange eccentric elliptical orbits be maintained in the absence of such planet and or gravitational object?
This has been my question too. What if it was either a planet previously ejected from our system by an earlier interaction? Thus dragging these asteroids into their odd orbits on the way out. Or perhaps even a rogue planet transiting through?
Fantastic video, John! Thanks! 😃
Stay safe there with your family! 🖖😊
Scientists seem to be assuming the object causing these effects will still be there. But what if a planet/moon/whatever got tossed out of the Solar system, and tweaked the outer solar system on its way out?
This completes my Sunday 😈
Thanks for the upload
There seems to be a crisis is cosmology with competing hypotheses, none of which have yet given us definite answers and all of which seem to be reliant on presuppositions that look like astrophysicists are clutching at straws, postulating on the basis of 'for-want-of-a-better-alternative'.
Just by the description of some particles ive heard, i think this wont really get solved untill we are actually occupying the solar system and have the capacity to build experiments well beyond earth bound capacity. Like colliders that can encircle an entire moon etc. just a shot in the dark of course.
But theres a lot of things that are described as needing outlandish equipment to witness etc.
They're clutching at straws for want of more data that we simply do not have, nor the financial incentives to pursue. So the arguments have become not so much about what is, but more where to look for what might be. And for all the telescopes we have, Astronomy is and has always been a low priority for every entity rich and powerful enough to make things happen.
We do have one JWST, but honestly I'm kind of sickened that we don't have dozens of them. It's a real forest for the trees situation. I propose NASA shuts down its rocket programs entirely and focuses on imaging and detection. They are already horribly outclassed when it comes to delivering payloads.
JMG and morning coffee, and the sun is shining. Looks like a good day.
Hey! Maybe it's a dark matter planet! That would explain a lot...maybe.
Excellent, JMG!
New ideas. Thanks!
I have a crazy theory about planet x. What if it became our current sun? Saturn used to be the sun. Nibiru may have shorted the birkland currents. It might explain the anu's desperate attempt to shroud their planet in gold dust. It could explain the illuma anish tales of the war of the planets. (Orbital rearrangement). The temperature of Venus , it's orbit and parking itself in its new orbit. Velikovski? I should make a vid on it. Worst case scenario, we all have a good laugh. Best case, we all get to add ideas
I had heard somewhere the theory there might be a red dwarf or brown dwarf but I suppose that definitely would have been found. Also John I wondered if you had had heard of the bright blue flashes? Apparently very random huge releases of energy popping off around the universe and no one is sure what they are! Definitely an interesting topic to theorize about!
my old band had a song called planet 9
Black hole, stellar or primordial, big or small scares the pants off me.
All hail a new video from JMG! :P though I guess we can skip the hail part, though I bet it has somehow been connected to the possum and the missing Planet 9. Is the LeBaron OK?
Just got my Eclipse glasses for April 8th. About a 2 hour drive north or west puts me in totality so hopefully can avoid any cloud cover
Two hour drive south for me. Plans already made. Hopefully the weather favors us all.
At this point im leaning towards the altered orbits just being observational biases
Planet 10 (the Mars sized object hypothesized to be responsible for the Kuiper Cliff) is more likely tbh
I so want Vulcan. Btw it's worth remembering the Oort cloud extends half way to Proxima Centaurus. Plenty of room. We dont need the stars.
Thank you for video. Very good, yes. Good voice. Lovely
Great video!
Nice work.
Great episode!
And indeed, *THAT* would be very confusing. 😂
Thanks JMG. Dark matter fits observations because one can insert any amount of it into the equation to make the math work. A good example of this is the bullet cluster.
Ye dark matter Just seems like a cheap idea
@@koenwijnen8278 That's the whole point. Literally in the name.
@@koenwijnen8278Except there are observations.
For what it's worth, I'm currently doing a degree in astrophysics and I had to pick my final year project. One of the choices I had available to me was the exact thing discussed in this video - study whether 'planet nine' could actually be a manifestation of MOND. The researcher I would have worked with argued to me vehemently that the numbers don't work out at all, that the 'planet nine' effect is just observational bias, and that such a project would be utterly pointless as he sees it as already comprehensively disproven. He tried to persuade me to study something else entirely with him (I ultimately ended up working with a different researcher in a totally different field). So, make of that what you will..
It sounds like someone who knows what's up and is familiar with the history of trying to prove it.
While I don't think he should've shot it down so hard, there is a degree of pointlessness for certain research attempts. It would seem to me like he was just trying to tell you that chasing a wild goose is sometimes not worth the effort, especially if you don't know if that goose even exists
Could be Scholz's star. A red dwarf that passed Sol system some 70.000 years ago distrubing the Oort cloud, and possibly some of the Kuiper objects too.
It has been proven by mathematical models that even a few centimeters (yes, centimeters) of change can add up to significant changes of orbits on a long enough time scale.
So we can't find planet 9 because it's now 22 LYs away, and all we left is with the changes of smaller objects on the outskirts of the solar system.
Sasquatch: 9 letters
Planet 9: 9th planet
Coincidence?
No!
yet another JMG episode that BLOWS MY PEA SIZED BRAIN! Keep it up John. Also, just throwing this out there, The enuma elish. This info isn't exactly new, just the technical terms we use today might be. 1:50 Ok NOW it's new.
I've basically suggested these exact ideas in a comment on one of your previous videos. With our current computer processing ability the existence of another large object in the outer solar system remaining undiscovered to this day is very low. If there is a rogue gravity source out there, it is likely very exotic or we simply aren't as smart as we think we are.
Planet 9 from Outer Space- great documentary!
Imagine that it is a very small black hole. Besides the science orgasm that it would cause it would also have a practical exploration use. You could fly a probe pretty close to it without tidal forces getting dangerously strong. I think that the Oberth Effect that would then be possible would open up realistic interstellar probes.
it would motivate us to build capable crewed space ships. I think.
sapce agencies today, probably for good reasons, don't wanna spend a gazillion € on crewed Europa missions, for example. But a black whole in our back yard might be worth the immense work and budget
I was 2 seconds from falling asleep, then, right at the end of the video, he says that stuff about finding planet 10 before 9, and then find out there was no 9…I’m happy to laugh myself back awake. Hilarious. Ok goodnight lol
Sergei Siparov in his paper "Metric dynamics" proposed that Universe could be anisotropic.
I almost want to be a primordial black hole. We have only scratched the surface on understanding them.
Always watch your videos before posting.
JWST is able to look back in time for galaxies located in imaginably massive distances from our galaxy, but it's not turning out to be easy to figure out whether there is a planet in the peripheries of our solar system. Science can be weird.
“If I had a world of my own, everything would be nonsense. Nothing would be what it is, because everything would be what it isn't. And contrary wise, what is, it wouldn't be. And what it wouldn't be, it would. You see?”
― Lewis Carroll, Alice’s Adventures in Wonderland / Through the Looking-Glass
John, will you be in the path of totality for the eclipse next month? and can we expect an eclipse related video regardless?
Yes, but there may or may not be video because where I'll be totality is only about three minutes. I did extensive filming during the 2017 eclipse, and this one I may just enjoy visually.
@@JohnMichaelGodier true, just experiencing something like that without worrying about turning it into content is probably refreshing.
I should note that I also am planning for southern Spain in 2027. I'll definitely film and cover that one from multiple angles because I'll have the whole Event Horizon crew with me and they're all film school and photography pros. My own camera work is pretty much still just typical youtuber level. I have the solar filters and can capture it, and likely will, but it won't be pro quality.
@@JohnMichaelGodier Nice! I look forward to seeing that video when the time comes
Hey Mr. John Michael Godier
You know what about a huge cosmic prank, is if there actually was a Vulcan, but it crashed into the back side of the sun before some one else could see it again to confirm it existed, and now history will remember the guy who saw it as being wrong.
Sometimes dark matter feels like the stuff we make up for the lack of knowledge… specially because you can plug it in almost everywhere… like ancient cultures looking for falling start to explain bad events…
The final thoughts are almost as good as the content. I still think about the danger of "Near Asteroid Earth's" to this day! 😁
400k subscribers!
Our observations of dark matter's effects are long distances away in other galaxies yes? So we don't know much about what it does on the small scale, or close.
What if dark matter can form planets? What if planet 9 is a dark matter planet.
another thought is maybe jupiter neptune uranus and saturns procession is the reason we are seeing these strange orbits. they could be remnants of the great planetary shifts that put neptune on its side, and caused the late heavy bombardment. we also may not fully understand all the dynamics of how all the planets aligning and not aligning affect all those distant objects
“Pluto is a planet!” -Jerry Smith
"What's the deal with Pluto?" Jerry Seinfeld
What's missing in our arsenal is a far-red infrared interferometer space observatory, with it, we could be finding all these objects.
Planet 9 from Outer Space.
You could say.
Could small black holes be the solution for dark matter? Perhaps primordial black holes are scattered all over the universe and we just can’t observe them other than through their gravitational influences
I just like listening to this music "Citizen of the stars" over and over ❤
Yes, Miguel Johnson is an amazing composer.
The observed orbital resonance for kuiper belt objects is likely a product of measurement bias and is disappearing the more kaiser belt objects we discover. Also the kuiper belt cliff is right at the boundary where the sun's heliosphere is, and the voyager missions showed that this boundary may fluctuate with the solar cycle. Meaning the sun's magnetic field probably cleared that region.
A black hole the size of a grape within our solar system would be the most interesting scenario. Now THAT would make for an interesting tourist destination in the year 2069.
Ever since reading about the history of the discoveries of Neptune and Pluto as a kid in the 80s, I’ve often thought how exciting it would be to discover another large planet in the way far out of the solar system.
The other KBOs like Makemake and Eris were exciting -don’t get me wrong- but something large or exotic would be even more so.
I really hope it’s something and not just bad math.
The score on this one was top notch
Pacman ate the missing kuiper belt objects
Another video to fall asleep to. Nice.
You and me both brother lmao
Honestly JMG should do audiobooks of sci-fi novels or something
Well known to the ETs, but so far undetected by terrestrial science, is O'ha'lu. Aphelion: 190.4AU. Perihelion: 152.7AU. Large planet with a high density. Size approximately 4 times the size of Earth. If we wanted to find it, even knowing its orbit doesn't narrow its location down, especially if it orbits away from the ecliptic (and that much I don't know).
There was also Tiamat, which was destroyed. Its remains are the Asteroid Belt, and its moon was Ceres. It was oceanic, teeming with life. Notice how the material recently returned from asteroid rendezvous missions consists essentially of clay, gravel, sand - products of geological processes. None of this material seems to be primordial: rubble, rather than bricks.
I think i will start a petition for audio books read by mister JMG, and send it to publishers. ;) What a perfect voice for that.
Planet 9 From Outter Space! Sci-fi horror mystery drama film. This Summer! Only on pay to view streaming!
The Undiscovered Country.