New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

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BeAChooser
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New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by BeAChooser » Thu May 27, 2021 5:14 am

http://www.sci-news.com/astronomy/local ... 09695.html
New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

A team of astrophysicists from the United States and Korea has created a new dark-matter distribution map using a neural network-based deep learning method and the data on positions and velocities of galaxies in the local Universe.

“The 80% of the matter in the Universe is in the form of dark matter that comprises the skeleton of the large-scale structure called the cosmic web,” said Dr. Donghui Jeong, an astrophysicist in the Department of Astronomy and Astrophysics and the Institute for Gravitation and the Cosmos at the Pennsylvania State University.

“As the cosmic web dictates the motion of all matter in galaxies and inter-galactic media through gravity, knowing the distribution of dark matter is essential for studying the large-scale structure.”

“However, the cosmic web’s detailed structure is unknown because it is dominated by dark matter and warm-hot inter-galactic media, both of which are hard to trace.”

In the study, Dr. Jeong and colleagues took a completely different approach, using machine learning to build a model that uses information about the distribution and motion of galaxies to predict the distribution of dark matter.

They built and trained their model using a large set of galaxy simulations, called Illustris-TNG, which includes galaxies, gasses, other visible matter, as well as dark matter.

They specifically selected simulated galaxies comparable to those in the Milky Way and ultimately identified which properties of galaxies are needed to predict the dark matter distribution.

“When given certain information, the model can essentially fill in the gaps based on what it has looked at before,” Dr. Jeong said.

“The map from our models doesn’t perfectly fit the simulation data, but we can still reconstruct very detailed structures.”

“We found that including the motion of galaxies — their radial peculiar velocities — in addition to their distribution drastically enhanced the quality of the map and allowed us to see these details.”

The researchers then applied their model to real data from the local Universe from the Cosmicflow-3 galaxy catalog.

The map successively reproduced known prominent structures in the local Universe, including the Local Sheet (a region of space containing the Milky Way, nearby galaxies in the Local Group, and galaxies in the Virgo Cluster) and the Local Void (a relatively empty region of space next to the Local Group).

Additionally, it identified several new structures that require further investigation, including smaller filamentary structures that connect galaxies.

“Having a local map of the cosmic web opens up a new chapter of cosmological study,” Dr. Jeong said.

“We can study how the distribution of dark matter relates to other emission data, which will help us understand the nature of dark matter.”

“And we can study these filamentary structures directly, these hidden bridges between galaxies.”
This isn’t science. This is GARBAGE. I remember it was plasma cosmologists who PREDICTED filaments would be ubiquitous. In fact, I remember that not long ago mainstream astrophysics apologists on forums like JREF derided those who said the universe was filamentary. And now they have it out ass backwards. Because the observations have proven it’s filamentary, they are using that as proof dark matter exists. That’s not science. That’s GARBAGE. Especially since just recently they *discovered* that there are plasma bridges between galaxies and galaxy clusters. You’d think THAT would be a clue for these idiots. But no, it’s not, BECAUSE THEY ARE IDIOTS.

Earl Sinclair
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by Earl Sinclair » Thu May 27, 2021 2:46 pm

Like I've been saying, eventually "dark matter" will suddenly be just another word for ether and plasma - and they'll say "SEE! We were right all along!"


Earl

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nick c
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by nick c » Thu May 27, 2021 3:33 pm

But there is a huge difference that may prohibit that equation, DM = Aether.
The aether is postulated to be a universal medium, that is it is everywhere.
By contrast DM is postulated to be in designated places, that is, it is placed where needed to explain an apparent observational falsification of the gravity only paradigm.

It would be quite a leap to make DM into a universal medium, because then it would no longer explain things like anomalous galactic rotation etc.

BeAChooser
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by BeAChooser » Thu May 27, 2021 6:08 pm

nick c wrote: Thu May 27, 2021 3:33 pm By contrast DM is postulated to be in designated places, that is, it is placed where needed to explain an apparent observational falsification of the gravity only paradigm.

It would be quite a leap to make DM into a universal medium, because then it would no longer explain things like anomalous galactic rotation etc.
Except the mainstream astrophysics community and their lackeys in the media have indeed told us DM is EVERYWHERE. Here are just a few examples ...

https://stfc.ukri.org/news-events-and-p ... rk-matter/ “10 Things You Need To Know About Dark Matter
23 October 2017 1. Dark matter is EVERYWHERE

https://www.nbcnews.com/id/wbna46387769 “Physicists find dark matter: It's everywhere
A group of Japanese physicists has revealed where dark matter is — though not what it is — for the first time. As it turns out, the mysterious substance is almost everywhere, drooping throughout intergalactic space to form an all-encompassing web of matter. Feb. 14 2012"

https://news.dartmouth.edu/news/2017/09 ... everywhere "Dark Matter: You Can’t See It, But It’s Everywhere
September 25, 2017"

https://sitn.hms.harvard.edu/flash/2018 ... rk-matter/ "Dark matter likely exists everywhere in the universe, and the Earth is perpetually flying through a diffuse cloud of this mysterious substance (Figure 1). Dark matter is not just “out there”—it is very much here and there and everywhere that you might ever go."

https://www.quantamagazine.org/physicis ... -20201123/ "Dark Matter Everywhere ... snip ... Many physicists expect dark matter to be as omnipresent as it is aloof."

https://www.eurekalert.org/pub_releases ... 050521.php "However, since dark matter is everywhere, it exerts that force on everything, making it hard to measure this movement."

http://www.issibern.ch/PDF-Files/Spatium_7.pdf "International Space Science Institute May 2001 ... snip ... Dark matter is everywhere."

https://sanfordlab.org/press-release/sa ... r 13, 2020 ... snip ... This ubiquitous particle is everywhere, yet, so far, remains a mystery."

https://live.newscientist.com/2019-spea ... ark-matter "Scientists think that dark matter is everywhere, streaming through you as you read this right now. "

https://www.history.com/shows/the-unive ... /episode-6 "Dark Matter is everywhere. It passes through everything we know on earth at billions of particles every second, yet no one has ever gotten a direct detection of this mysterious dark substance."

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nick c
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by nick c » Fri May 28, 2021 12:26 am

BeAChooser,
But is it everywhere in the same amounts? That is, is it a universal medium? If so then it cannot account for gravitational anomalies like galactic rotation and interactions. If DM can clump, presumably due to gravity then how could it be a universal medium, the aether? If that were the case then the aether would behave just like the regular garden variety of matter. It would clump together. It does not solve the problem of "what is the aether?"
For example from one of your links:
https://www.quantamagazine.org/physicis ... -20201123/
But these detectors have stayed quiet, and physicists are increasingly contemplating a broader spectrum of possibilities. On the heavy end, they say the universe’s invisible matter could clump into black holes as heavy as stars. At the other extreme, dark matter could spread out in a fine mist of particles thousands of trillions of trillions of times lighter than electrons.
Note: It is not my intent to put you in the position of defending any of these propositions. It is of course more absurdity, which I believe is the message of this thread.

BeAChooser
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by BeAChooser » Fri May 28, 2021 4:56 am

nick c wrote: Fri May 28, 2021 12:26 am But is it everywhere in the same amounts?
Yes. ZERO. (wink)

Earl Sinclair
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by Earl Sinclair » Fri May 28, 2021 3:06 pm

BeAChooser is quibbling over semantics, not physics. Dark Matter ® was invented to force the Universe into compliance with Accepted Theory ®, damnit. They have declared Dark Matter is by far-and-away the largest portion of matter in the universe, lately approaching 95%, I believe.

That's pretty damned ubiquitous. The DENSITY of said Dark Matter has to be placed correctly to get the effing Universe to match Accepted Theory. Don't you UNDERSTAND?? OUR EQUATIONS SAY IT MUST BE TRUE.


Earl

Brent72
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by Brent72 » Fri May 28, 2021 10:28 pm

Yes. Einstein threw out ether so he could have his special relativity (his interpretation of MMX results). And SR underpins GR.
But now Einstein might himself be thrown out to get ‘ether/DM’ back again. Even if the ether/DM can’t be seen everywhere.
Maybe they’re getting the world ready to throw out Einstein because they know the data from the James Webb telescope will anyway..

BeAChooser
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by BeAChooser » Sun May 30, 2021 9:51 pm

And how desperate are astrophysicists these days?

The title of this SA article is a clue …

https://www.scientificamerican.com/arti ... one-thing/
Maybe Dark Matter Is More Than One Thing. If so, it could explain some inconsistencies in our observations.
Call this the MANY GNOME THEORY OF THE UNIVERSE.

Michael Mozina
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by Michael Mozina » Wed Jun 02, 2021 5:14 pm

BeAChooser wrote: Sun May 30, 2021 9:51 pm And how desperate are astrophysicists these days?

The title of this SA article is a clue …

https://www.scientificamerican.com/arti ... one-thing/
Maybe Dark Matter Is More Than One Thing. If so, it could explain some inconsistencies in our observations.
Call this the MANY GNOME THEORY OF THE UNIVERSE.
You got to hand it to astronomers when it comes to clinging to pure denial.

Typically speaking, any so called 'model' that begins with a gross violation of conservation laws of energy is simply rejected in physics. Over-unity machines are an automatic fail in physics. The very concept of "space expansion" however, violates conservation of energy laws *by design*. They're still clinging to the concept however, in spite of the fact that inelastic scattering and plasma redshit is a known process in plasma and violates no conservation of energy laws.

To keep the space expansion concept 'alive' for the past few decades they've had to add another 95 percent "metaphysical fudge factor" to the equations, relegating actual 'laboratory physics' to the realm of 'trivial influence' on the model.

Any *yet*, the whole thing continues to defy any predictive success. It's all postdicted nonsense that fails one 'test' after another after another.

I really think the JWST program is going to obliterate the BB model entirely. It's likely to see redshifted galaxies and quasars at the edge of it's capacities too, just like Hubble.

BeAChooser
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by BeAChooser » Wed Jun 02, 2021 6:26 pm

Michael Mozina wrote: Wed Jun 02, 2021 5:14 pm I really think the JWST program is going to obliterate the BB model entirely. It's likely to see redshifted galaxies and quasars at the edge of it's capacities too, just like Hubble.
Michael, that assumes they don't massage the JWST data like they have the gravity wave and black hole data. They won't want to report what they really find. nd I believe the mainstream media and *scientific* journals would go along with such lies. Because otherwise they all have egg on their face and will all lose power, money and prestige. There is just too much evidence now that the meme (which promises more of all three of those things for them) is ALL that is important now. Science is DEAD as far they are concerned. They are no different than the folks who supported lyshenkoism in the USSR.

Michael Mozina
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by Michael Mozina » Wed Jun 02, 2021 8:13 pm

BeAChooser wrote: Wed Jun 02, 2021 6:26 pm Michael, that assumes they don't massage the JWST data like they have the gravity wave and black hole data. They won't want to report what they really find. nd I believe the mainstream media and *scientific* journals would go along with such lies. Because otherwise they all have egg on their face and will all lose power, money and prestige. There is just too much evidence now that the meme (which promises more of all three of those things for them) is ALL that is important now. Science is DEAD as far they are concerned. They are no different than the folks who supported lyshenkoism in the USSR.
You might be right, but....

The problem for the mainstream is that they've bet the farm on galaxy and black hole evolution over time. They've already reached the limits of where quasars should exist and "mature" galaxies should exist in Hubble deep field images. The mainstream is already incapable of explaining these massive and mature objects based on their galaxy formation and black hole formation models. The problem for them is that if the universe is infinite and eternal, then JWST should also see quasars and jets, as well as mature galaxies at the very edge of it's capacity, in long duration deep field images at it's greatest redshift sensitivities.

At some point the concept of galaxy evolution and black hole evolution simply won't hold up to observational scrutiny and there won't be any way to hide it or ignore it anymore. We've technically reached that point already, but JWST will remove any doubt whatsoever IMO.

The concepts of galaxy evolution and black hole evolution over time are the two Achilles heals of all big bang models. One or two good JWST deep field images could ultimately destroy all big bang models.

crawler
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by crawler » Wed Jun 02, 2021 9:10 pm

Brent72 wrote: Fri May 28, 2021 10:28 pm Yes. Einstein threw out ether so he could have his special relativity (his interpretation of MMX results). And SR underpins GR.
But now Einstein might himself be thrown out to get ‘ether/DM’ back again. Even if the ether/DM can’t be seen everywhere.
Maybe they’re getting the world ready to throw out Einstein because they know the data from the James Webb telescope will anyway..
Never mind the Flat Earth Society.
Einsteinists are the Flat Light Society.
They believe that c is constant.
And both Societies are willing to use silly argument.
STR is krapp -- & GTR is mostly krapp.
The present Einsteinian Dark Age of science will soon end – for the times they are a-changin'.
The aether will return – it never left.

BeAChooser
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by BeAChooser » Thu Jun 03, 2021 11:40 pm

Want another example of the quandary mainstream astrophysicists now find themselves in?

Just consider this statement, hot off the press, from the National Science Foundation …

https://www.nsf.gov/discoveries/disc_su ... _id=302813
Scientists are certain that dark matter exists. Yet, after more than 50 years of searching, they still have no direct evidence of this mysterious substance.
You'd think that after 50 years of failure after failure at least a little doubt would have crept in ... suggesting they've confused certainty with dogmatism.

BeAChooser
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Re: New Map of Local Dark Matter Reveals ‘Bridges’ between Galaxies

Unread post by BeAChooser » Sun Jun 06, 2021 4:10 am

The above new gnome is sure getting a lot of airplay ...

https://www.express.co.uk/news/science/ ... -study-evg
Dark matter: Extra-dimensional 'dark force' could crack universe's biggest mystery - study

DARK MATTER researchers have proposed a radical new theory that could explain why we cannot see or interact with dark matter - the most abundant substance in the universe.
Yes, folks, a gnome explains why after 50 years of searching astrophysicists have failed to confirm another gnome.
Dark matter has eluded scientists for close to a century now after astronomers first posited the presence of "missing matter" in space when observing nearby galaxies in the 1930s. Today, we know dark matter accounts for about 85 percent of all the material in the universe, and yet, we have never seen or interacted with the substance. Dark matter is considered "dark" because it does not emit light or directly interact with radiation in any meaningful way.
And don’t you love how these idiots “KNOW”, with complete certainty, that dark matter accounts for 85 percent of all material … even though they’ve “never seen or interacted with the substance? This is what they call science. I call it religious dogmatism. And what is this new gnome? A “new ,extra-dimensional force” … that obviously they can't see or interact with.

And you wonder why they aren’t getting anywhere ... other than lining their pocket books with your tax dollars? :roll:

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