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Groups > sci.electronics.design > #748341
| From | Bill Sloman <bill.sloman@ieee.org> |
|---|---|
| Newsgroups | sci.electronics.design, sci.astro, sci.physics |
| Subject | Re: Super massive black hole winds are 100 times more powerfull than scientists thought |
| Date | 2026-09-30 17:20 +1000 |
| Organization | A noiseless patient Spider |
| Message-ID | <119id89$ae1$3@dont-email.me> (permalink) |
| References | (2 earlier) <118mqo3$2irnt$1@dont-email.me> <18d771b5a6779541$30$2272267$4296dcc3@news.newsgroupdirect.com> <118s8tt$birj$1@dont-email.me> <18d8e20e0b4a0ccd$947$2301488$4236dc63@news.newsgroupdirect.com> <119hr0i$3qppv$1@dont-email.me> |
Cross-posted to 3 groups.
On 30/09/2026 12:09 pm, Old McDonald wrote:
> On 9/26/26 06:30, someone wrote:
>> Right, a bunch of verbiage without some kind of analytical support is
>> a vacuum in and of itself.
>>
>> Consulting AI (again):
>>
>> The Schwarzschild Radius and Density: To turn any mass (\[M\]) into a
>> black hole, you must compress it into a sphere smaller than its event
>> horizon, known as the Schwarzschild radius R_s. The formula
>> is:Â 2GM/c^2 (where G is the gravitational constant and c is the speed
>> of light. Because volume grows much faster than radius (\(V
>> \proportional to R^3\)), larger black holes actually require much less
>> density to form than smaller ones. While a stellar-mass black hole is
>> unimaginably dense, a supermassive black hole can have a density lower
>> than water. If a black hole is large enough—say, the size of the
>> observable universe—its required density drops to nearly nothing.Â
>>
>> The Critical Density of the Universe: Cosmologists measure the density
>> of the universe to see if it is "flat," meaning space isn't warped on
>> a cosmic scale. This is called the critical density, rho _c,
>> calculated using the Hubble constant H:Â rho_c=3H^2/(8.pi G). When you
>> plug in the observed numbers for our universe, this critical density
>> is incredibly low—about 10^{-26} kg/m^3, which is equivalent to
>> roughly six hydrogen atoms per cubic meter of space.
>>
>> The Perfect Match: If you take the radius of the observable universe
>> (the Hubble radius,R_H = c/H, and calculate how much total mass M is
>> inside it based on that critical density, an amazing mathematical
>> cancellation happens. If you solve for the Schwarzschild radius of
>> that total cosmic mass, the horizon radius of the universe perfectly
>> equals its Schwarzschild radius R_H = R_s, making the thesis of a
>> universe within a universe quite remarkable.
>
> That was more satisfying.
> I have two theories, one a load of verbiage with analytical support.
> Randomly nested Penrose tile universes could be in there.
> Both will annoy Bill Sloman.
Incoherent babble is a waste of bandwidth, but we get a lot of it here
and learn to ignore it
<snipped the incoherent babble>.
--
Bill Sloman, Sydney
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Super massive black hole winds are 100 times more powerfull than scientists thought Jan Panteltje <alien@comet.invalid> - 2026-09-15 14:51 +0000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought someone <2a59d59e3809f827ce709d3815e3950eef4a6a93af5557a93a7fdfba71460843@example.com> - 2026-09-19 17:15 +0000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-09-19 20:19 +0000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-20 17:12 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2026-09-21 00:11 +0200
Re: Super massive black hole winds are 100 times more powerfull than scientists thought someone <2a59d59e3809f827ce709d3815e3950eef4a6a93af5557a93a7fdfba71460843@example.com> - 2026-09-21 21:00 +0000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-21 14:51 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought someone <2a59d59e3809f827ce709d3815e3950eef4a6a93af5557a93a7fdfba71460843@example.com> - 2026-09-26 13:30 +0000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-29 19:09 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-30 17:20 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-19 17:19 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-20 17:21 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-20 12:59 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2026-09-21 00:25 +0200
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Trevor <shut.up@once.invalid> - 2026-09-20 23:48 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-22 13:52 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-23 16:23 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-23 16:36 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2026-09-24 04:44 +0200
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-24 16:46 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-24 19:13 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-24 19:28 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2026-09-25 06:52 +0200
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-25 15:58 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-25 12:10 -0700
mass (was: Super massive black hole winds are 100 times more powerfull than scientists thought) ram@zedat.fu-berlin.de (Stefan Ram) - 2026-09-25 20:11 +0000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2026-09-24 04:40 +0200
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-23 22:24 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-24 16:53 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2026-09-24 18:31 +0200
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-24 19:49 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-25 16:14 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-25 13:19 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-27 10:24 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-28 12:25 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-27 20:27 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-28 16:26 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-27 22:29 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-28 16:34 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-28 12:14 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-29 17:06 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-29 11:11 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought john larkin <jl@htigct.com> - 2026-09-29 14:35 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-30 17:11 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought john larkin <jl@glen--canyon.com> - 2026-09-30 07:46 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-10-01 15:49 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought john larkin <jl@glen--canyon.com> - 2026-10-01 07:33 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-10-02 17:08 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought john larkin <jl@glen--canyon.com> - 2026-10-02 08:18 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-10-03 02:21 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought john larkin <jl@htigct.com> - 2026-10-02 09:48 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-10-03 15:56 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-30 17:16 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-09-30 10:05 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-10-01 15:25 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Old McDonald <eieio@patch.corn> - 2026-10-01 00:32 -0700
mass (was: Super massive black hole winds are 100 times more powerfull than scientists thought) ram@zedat.fu-berlin.de (Stefan Ram) - 2026-09-24 16:37 +0000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought john larkin <jl@glen--canyon.com> - 2026-09-25 07:43 -0700
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-26 03:09 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Jeroen Belleman <jeroen@nospam.please> - 2026-09-25 20:47 +0200
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-26 15:36 +1000
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Jeroen Belleman <jeroen@nospam.please> - 2026-09-26 10:10 +0200
Re: Super massive black hole winds are 100 times more powerfull than scientists thought Bill Sloman <bill.sloman@ieee.org> - 2026-09-26 21:01 +1000
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