Could the idea be that a massive object is formed but that it can't ever quite collapse into a BH? I read the original papers but they're a teensy bit over my head.
On 26 September 2014 14:07, 'Chris de Morsella' via Everything List < [email protected]> wrote: > Liz – that was my same reaction, truly massive things are astronomically > observed to be out there (at the centers of big galaxies at least – don’t > know if star clusters and satellite galaxies also have smaller analogues at > their centers – or not?). The thrust of this paper – from what I gather is > summed up in Mersini-Houghton – the author – own words: > > · that as a star collapses under its own gravity, it produces > Hawking radiation. > > · Mersini-Houghton claims to have shown that by giving off this > radiation, the star also sheds mass. So much so that as it shrinks it no > longer has the density to become a black hole. > > > > In a nutshell she is proposing a hypothesis that theoretically black holes > can never be formed. I find this very hard to believe, myself, based on all > the known astronomical evidence that in fact they must exist. Was wondering > if anyone had ever heard about her or this hypothesis. > > Researched her a bit – she seems legitimate, a multiverse proponent in > terms of her cosmological orientation; she has for example proposed that a > possible phenomenon called dark flow, which is the apparent directional > movement of our universe -- being swept along in the direction of > constellations Centaurus and Hydra at a rate of around 500 km/s, could be > evidence of the gravitational influence of another universe in the > multiverse. Dark Flow is controversial, and in 2013, data from the Planck > spacecraft is said to have shown no evidence of "dark flow”; however, > another analysis by a member of the Planck collaboration, Fernando > Atrio-Barandela, suggested the data were consistent with the earlier > findings from WMAP… so maybe still up in the air.) > > Mersini-Houghton is controversial, I gather… and the notion that > theoretically black holes cannot form, because they burn out their mass as > Hawkins radiation, certainly flies in the face of what we see in the sky. > But, on the other hand, it is a pretty daring thing to try to say, and she > is not some self-published legend-in-their-mind fringe loon either, she is > an Associate professor at Chappel Hill, NC (if I recall). She certainly > knows what she was getting into when she published it… so why? > > Is it hunger for another fifteen minutes of fame? Or is she herself > convinced that her hypothesis is correct? I get the sense she feels her > arguments and the math behind them are sound, but I have not read the > actual paper either, which is why I asked if anyone had. > > > > > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *LizR > *Sent:* Thursday, September 25, 2014 3:50 AM > *To:* [email protected] > *Subject:* Re: Do they or don't they exist? Is anyone familiar with this > paper? > > > > There are objects that are way too massive to be anything but black holes > (if our current understanding of general relativity is correct). I believe > the core of M104 (the Sombrero galaxy) is about one billion solar masses, > for example. > > But to be fair, I'm not sure exactly what is being claimed in this paper. > > > > On 25 September 2014 19:06, Russell Standish <[email protected]> > wrote: > > What about the poster child Cygnus X-1. I thought that was too dense > to be a neutron star. > > Cheers > > On Wed, Sep 24, 2014 at 06:24:02PM -0700, meekerdb wrote: > > I just looked at. If black holes don't exist it's going to be a > > problem explaining what it is at the center of the Milky Way (and > > other galaxies) that has a four million solar masses. > > > > Brent > > > > On 9/24/2014 4:44 PM, 'Chris de Morsella' via Everything List wrote: > > > > > >Read more at: Researcher shows that black holes do not exist > > ><http://phys.org/news/2014-09-black-holes.html#jCp> > > > > > >image <http://phys.org/news/2014-09-black-holes.html#jCp> > > > > > > > > > > > > > > > > > >Researcher shows that black holes do not exist > > ><http://phys.org/news/2014-09-black-holes.html#jCp> > > >Black holes have long captured the public imagination and been the > > >subject of popular culture, from Star Trek to Hollywood. They are > > >the ultimate unknown – the blac... > > > > > >View on phys.org <http://phys.org/news/2014-09-black-holes.html#jCp> > > > > > >Preview by Yahoo > > > > > > > > >-- > > >You received this message because you are subscribed to the Google > > >Groups "Everything List" group. > > >To unsubscribe from this group and stop receiving emails from it, > > >send an email to [email protected] > > ><mailto:[email protected]>. > > >To post to this group, send email to > > >[email protected] > > ><mailto:[email protected]>. > > >Visit this group at http://groups.google.com/group/everything-list. > > >For more options, visit https://groups.google.com/d/optout. > > > > -- > > You received this message because you are subscribed to the Google > Groups "Everything List" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > > To post to this group, send email to [email protected]. > > Visit this group at http://groups.google.com/group/everything-list. > > For more options, visit https://groups.google.com/d/optout. > > -- > > > ---------------------------------------------------------------------------- > Prof Russell Standish Phone 0425 253119 (mobile) > Principal, High Performance Coders > Visiting Professor of Mathematics [email protected] > University of New South Wales http://www.hpcoders.com.au > > Latest project: The Amoeba's Secret > (http://www.hpcoders.com.au/AmoebasSecret.html) > > ---------------------------------------------------------------------------- > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/d/optout. > > > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.

