On Sun, Jul 16, 2023 at 4:14 PM 'spudboy...@aol.com' via Everything List < everything-list@googlegroups.com> wrote:
*> Some have indicated the discoveries of Webb have disproven the Big Bang, > and the Standard Model. What do you say?* > The existence of the Big Bang is on very firm ground and I don't think the Web telescope is going to change that, although it will certainly change the details. The evidence for cosmic inflation is also pretty good but perhaps a bit less strong than it was five years ago. John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis> bii > \ > As early as 2012 scientists predicted that the Hubble telescope would see > something they called a "Dark Star". > > Observing supermassive dark stars with James Webb Space Telescope > <https://academic.oup.com/mnras/article/422/3/2164/1043351?login=false> > > They theorized in the early universe Dark Matter, whatever it is, must've > been much more densely concentrated than it is today, and if Dark Matter > particles are their own antiparticles as many think then their annihilation > could provide a heat source, they could keeping star in thermal and > hydrodynamic equilibrium and prevent it from collapsing. They hypothesized > something they called a "Dark Star '', it would be a star with a million > times the mass of the sun and would be composed almost entirely of hydrogen > and helium but with 0.1% Dark Matter. A Dark Star would not be dark but > would be 10 billion times as bright as the sun and be powered by dark > matter not nuclear fusion. > > Astronomers were puzzled by pictures taken with the James Webb telescope > that they interpreted to be bright galaxies just 320 million years after > the Big Bang that were much brighter than most expected them to be that > early in the universe, a recent paper by the same people that theorized > existence of Dark Stars claim they could solve this puzzle. They claim 3 > of the most distant objects that the Webb telescope has seen are point > sources, as you'd expect from a Dark Star, and their spectrum is consistent > with what they predicted a Dark Star should look like. With a longer > exposure and a more detailed spectrum, Webb should be able to tell for sure > if it's a single Dark Star or an early galaxy made up of tens of millions > of population 3 stars. > > Supermassive Dark Star candidates seen by JWST > <https://www.pnas.org/doi/10.1073/pnas.2305762120> > > > -- 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 everything-list+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/CAJPayv1-M6Kszmp3uV8Kum_gwaPFy54Uc2Ex8aF%2B0%3DrWJVp0NQ%40mail.gmail.com.
