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From: Volney <volney@invalid.invalid>
Newsgroups: sci.physics.relativity
Subject: Re: Galaxies don't fly apart because their entire frame is rotating
Date: Thu, 28 Mar 2024 02:29:55 -0400
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On 3/28/2024 2:12 AM, Thomas Heger wrote:
> Am 18.03.2024 um 19:20 schrieb Ross Finlayson:
>>
>> A hypothesis ....
>>
>> ... filling the space that is the agglomeration of what was their jet.
>>
>> So, are there gravitic singularities in the middle of galaxies?  Maybe 
>> not.
>>
>> Are there gravitic filaments holding it all together?  Maybe not.
>>
> 
> My personal view on this problem:
> 
> galaxies are not held together by gravity and there is no need for 
> gravity, because the galaxies are not rotating in their own frame of 
> reference.
> 
> It is OUR !!! impression from a remote position, that galaxies rotate.
> 
> But seen from a comoving position from within that galaxy, the galaxies 
> (of course) don't rotate.
> 
Rotation is absolute. If a galaxy is rotating, that it is rotating can 
be detected either from within or without the galaxy.