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From: Jan Panteltje <alien@comet.invalid>
Newsgroups: sci.electronics.design
Subject: Re: OT: More about the universe and black holes
Date: Thu, 05 Dec 2024 07:13:34 GMT
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On a sunny day (Wed, 4 Dec 2024 12:54:59 +0100) it happened Jeroen Belleman
<jeroen@nospam.please> wrote in <vipfn9$rmtm$1@dont-email.me>:

>On 12/4/24 11:57, Jan Panteltje wrote:
>> Could dark matter have been forged in a 'Dark Big Bang?'
>>   https://www.space.com/second-big-bang-second-dark-matter
>> 
>> Are planet-killing black holes hiding inside your cat?
>>   https://www.space.com/primordial-black-holes-cat-big-bang
>
>Hollow out the earth? Preposterous! No cavity can persist
>in the core of an object big enough to be drawn into the
>shape of a sphere under its own gravity.
>
>Tiny black holes that would drill microscopic tunnels
>through matter wouldn't go unnoticed. I think they don't
>exist. For that matter, I think black holes, in the sense
>of gravitational singularities, don't exist either, for
>the simple reason that their mass energy, even though huge,
>is not infinite.
>
>If a theory predicts a singularity, this merely tells us
>the theory is incomplete.

Yes, divide by zero people, but then again,
we do not know the size of an electron.,
so small, so it could be a black hole like thing,
same for some other elementary particles.
If you look at the scale of things, from planets orbiting stars
to electrons orbiting atomic nuclei,
to galaxies orbiting what we call black holes
there could well be a repeating pattern going down-scale so to speak,
also going up-scale multiple universe / big bangs.

We need a mechanism to explain things, and that gives you one.