Thanks Russell,

Yes; I mis-parsed Owen’s sentence: " rather than an event horizon and a 
singularity at the center for black holes, and no structure in between, both 
string theory and the fermionic model have internal structure…”

And to your other harumphing, also Yes.  

I guess one can say, at a very general level that doesn’t require knowing how 
to do it, that since you are already committed to a time-like and 
future-directed radial coordinate, defining the topological interior of a 
spatial spherical section, deep into the range where classical GR is already 
strongly validated locally, the only way you get rid of singularities is 
either: 1) at a classical level, changing the field equations at strong 
curvature; or 2) dissolving the consequences that come with time-likeness in 
the classical theory, at a level that goes beyond merely modifying field 
equations that remain classical (whatever form that might take).

In any case, thanks for clearing up errors, 

Eric



> On Feb 24, 2026, at 17:43, Russell Standish <[email protected]> wrote:
> 
> I don't think the point is to get rid of event horizons, but rather to
> get rid of singularities.
> 
> I read there are a number of "new physics" ideas for preventing a
> singularity, such as gravastars. What I was harumphing about was the
> idea that a fermionic ball will do the job - that is known physics.
> 
> Cheers
> 
> On Tue, Feb 24, 2026 at 05:27:52PM -0500, Santafe wrote:
>> I didn’t see Owen’s original post, and need to read the link.
>> 
>> But why do we want to avoid event horizons of super-massive black holes?  We 
>> now have rather nice models of colliding stellar-mass black holes, and I 
>> don’t think anything is going to get rid of those event horizons (or, as 
>> they are called locally, “apparent horizons”), because the standard Einstein 
>> equations are doing a beautiful job predicting the waveforms and now parts 
>> of the ringdown, to the point where they can invert to get rotation rates 
>> and spin axes relative to the orbital axis.
>> 
>> An event horizon is an event horizon.  Once you have them for stellar-mass 
>> BH, why would they be any worse or more to-avoid for galactic-center 
>> super-massive BHs?  They are among the most identical, scaled, versions of 
>> the same one thing.
>> 
>> ??
>> 
>> But, will read….
>> 
>>> On Feb 24, 2026, at 17:16, Russell Standish <[email protected]> wrote:
>>> 
>>> Maybe a naive response, but isn't a star composed of compressed
>>> fermionic particles otherwise known as a white dwarf? And if the
>>> electrons and protons overcome Coulombic force to combine to form pure
>>> neutronium (also fermionic particles), then its called a neutron
>>> star? If I remember correctly from my astrophysics course some 4
>>> decades ago.
>>> 
>>> On Sun, Feb 22, 2026 at 09:35:46AM -0700, Owen Densmore wrote:
>>>> The SMBH (Super Massive Black Hole) conjectured to be at the center of most
>>>> galaxies may not be black holes, but a highly compressed cloud of fermionic
>>>> particles. These particles are those like the electron that obey the 
>>>> exclusion
>>>> principle, i.e. cannot have the same the same quantum state as their
>>>> neighbors.  Abs Fab!!
>>>> 
>>>> https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fwww.sci.news%2fastronomy%2f&c=E,1,Q4qUwJN-9ASkmROQmpY6JR4naMhtnmTxzb6rRpDsBQHmohNsDckooVAyZ5xnRloqvf9EM2l5XdHol_JPHfSZtupT2Lq9mmsA_xhpzxRhekghRwv9pYU,&typo=1
>>>> milky-ways-compact-object-fermionic-dark-matter-14537.html
>>>> 
>>>> This, like the string theoretic version of black holes, gets rid of the
>>>> singularity of classical black hole model. This is huge in that rather 
>>>> than an
>>>> event horizon and a singularity at the center for black holes, and no 
>>>> structure
>>>> in between, both string theory and the fermionic model have internal 
>>>> structure
>>>> and can be applied by modern physics. Cool!
>>> 
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>>> 
>>> -- 
>>> 
>>> ----------------------------------------------------------------------------
>>> Dr Russell Standish                    Phone 0425 253119 (mobile)
>>> Principal, High Performance Coders     [email protected]
>>>                     
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> -- 
> 
> ----------------------------------------------------------------------------
> Dr Russell Standish                    Phone 0425 253119 (mobile)
> Principal, High Performance Coders     [email protected]
>                      
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