Quasar Jet Details

Plasma and electricity in space. Failure of gravity-only cosmology. Exposing the myths of dark matter, dark energy, black holes, neutron stars, and other mathematical constructs. The electric model of stars. Predictions and confirmations of the electric comet.
BeAChooser
Posts: 1052
Joined: Thu Oct 15, 2015 2:24 am

Quasar Jet Details

Unread post by BeAChooser » Tue Feb 14, 2023 5:01 am

https://www.techexplorist.com/scientist ... sar/56907/
Scientists just got to see the innermost parts of the quasar

… snip …

A global collaboration of scientists used the Earth-size virtual radio telescope, the Event Horizon Telescope (EHT), to peer into the heart of a distant quasar NRAO 530. Thanks to the extremely high, unprecedented angular resolution of EHT, astronomers could image the previously unseen structures in the central region of NRAO 530.

The images reveal a bright feature located on the southern end of the jet, which the authors associate with the VLBI core at millimeter wavelengths.

… snip …

The core of quasars like NRAO 530 manifests as the location where the jet begins at a specific wavelength. The jet extends over the distance that light crosses in ~1.7 years in projection on the sky plane. ... snip ...

According to scientists, it indicates a helical structure of the magnetic field in the jet.

Dr. Svetlana Jorstad, a senior scientist at Boston University, USA, who leads the NRAO 530 project, said, “The outermost feature has a particularly high degree of linear polarization, suggestive of a very well-ordered magnetic field.”
A jet 1.7 light years long? With a well ordered magnetic field? And a helical structure?

You don’t suppose ...

Roshi
Posts: 226
Joined: Wed Jan 06, 2016 4:35 pm

Re: Quasar Jet Details

Unread post by Roshi » Tue Feb 14, 2023 8:59 am

Ok, how does a black hole accelerate stuff and emit jets?

Did some searching, the answer: the black hole rotates, and matter that is attracted to the black hole ends up in the polar region, then is accelerated outwards...
First - why does a place where physics break down - spin? What's spinning? Gravity?
Second - what is the reason for that outward acceleration at the poles, that is so much stronger than the black hole attraction? Mathematics. Spinning hole that contains undefined physics spins and "drags" the magnetic field.

https://en.wikipedia.org/wiki/Rotating_black_hole
https://www.science.org/content/article ... ighty-jets
The most popular explanation of how jets form is that the fast-spinning accretion disk, which contains charged particles, will produce a powerful magnetic field that is in contact with the black hole. If the black hole is spinning, it drags on the field, winding it into a tight cone at the rotational poles of the black hole. It is this twisted field that accelerates particles away from the black hole as jets and, in the process, extracts energy from the rotation of the black hole.

Roshi
Posts: 226
Joined: Wed Jan 06, 2016 4:35 pm

Re: Quasar Jet Details

Unread post by Roshi » Tue Feb 14, 2023 12:18 pm

https://www.youtube.com/watch?v=B-eh2SD54fM
Feynman-"what differs physics from mathematics"

Black holes are a mathematical result. Because of that, we are searching for mathematical behavior in the real world. The person in the video above won a Nobel prize, still - who cares, there are 50 years of black holes and every laboratory and career built around this math.

There is no square root of -1 in the real world. The usage of imaginary numbers for circuit analysis is just a mathematical tool, used to simplify calculations. Else, we should build labs and telescopes maybe, to search for imaginary quantities in the real world, just because they do exist in math.

A quadratic equation, with 2 solutions, one positive, one negative. But we know that the results are distances. If no common sense is applied, I am sure someone would be happy to build a lab to search for "negative distance".

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nick c
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Re: Quasar Jet Details

Unread post by nick c » Tue Feb 14, 2023 4:27 pm

I like the word "reification".
Reification: When you treat something abstract as if it had a physical existence.

BeAChooser
Posts: 1052
Joined: Thu Oct 15, 2015 2:24 am

Re: Quasar Jet Details

Unread post by BeAChooser » Tue Feb 14, 2023 6:38 pm

Roshi wrote: Tue Feb 14, 2023 12:18 pm https://www.youtube.com/watch?v=B-eh2SD54fM
Feynman-"what differs physics from mathematics"
Classic!
Roshi wrote: Tue Feb 14, 2023 12:18 pm still - who cares, there are 50 years of black holes and every laboratory and career built around this math.
And, I say ... why do we care about things that have NO impact on the lives of those paying for all those laboratories and careers?

It's like you letting the government take your money and pay someone to sit outside your house and twiddle their thumb, day after day after day. They buy a house. Buy a car. Send their kids to fine schools. Go on grand vacations. Eat at the best restaurants. And bask in the applause from other thumb twiddlers and government lackeys. And they continue EXPECTING YOU to be ok with the government taking your money to pay for more thumb twiddling far into the future ... perhaps forever. Would you be ok with that? So why do we continue to let people who call themselves *astrophysicists* take and spend billions and billions of OUR dollars on thumb twiddling?

Roshi
Posts: 226
Joined: Wed Jan 06, 2016 4:35 pm

Re: Quasar Jet Details

Unread post by Roshi » Tue Feb 14, 2023 8:46 pm

BeAChooser wrote: Tue Feb 14, 2023 6:38 pm So why do we continue to let people who call themselves *astrophysicists* take and spend billions and billions of OUR dollars on thumb twiddling?
Because the math for black holes is complex, and common sense cannot be used there the same way as it would for a "negative distance". Anyway, few people even read that math carefully. You cannot enter astrophysics if you start your career by carefully reading the theory of relativity, special and general. Or you can, if you are stupid and/or don't care.

Try this, it's only 24 pages:
https://www.fourmilab.ch/etexts/einstei ... pecrel.pdf

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