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From: Jeroen Belleman <jeroen@nospam.please>
Newsgroups: sci.electronics.design
Subject: Re: OT: More about the universe and black holes
Date: Wed, 4 Dec 2024 12:54:59 +0100
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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.

Jeroen Belleman