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. 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