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From: Thomas Heger <ttt_heg@web.de>
Newsgroups: sci.physics.relativity
Subject: Re: Relativity Derives Zero Deflection of Light By Gravity.
Date: Fri, 21 Feb 2025 09:26:26 +0100
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Am Donnerstag000020, 20.02.2025 um 22:44 schrieb Richard Hachel:
> Le 20/02/2025 à 22:31, "Paul B. Andersen" a écrit :
>> So you prefer to believe that your derivation that
>> photons are not affected by gravity is correct,
>> and that GR's predictions thus are proven wrong.
>>
>> So you must be ignorant of the fact that photons are observed
>> to be deflected by gravity exactly as predicted by GR.
>>
>> Because you would not claim that "photons cannot be affected
>> by gravity" if you knew that they are.
>>
>> Or would you? :-D
>>
>> Paul
> 
> What is the evidence that photons are deflected by the presence of 
> matter in space?

The photons are not affected, but space itself is.

The idea of GR was, that gravity is actually an effect of 'curvature', 
which is itself caused by gravity.

What gets curved is actually the 'axis of time' local to a certain part 
of space.

What we call 'space' has a certain (geometric) relation to the axis of 
time, if we regard the axis of time as imaginary and the axes of space 
as real.

Then we have i as a factor, by which time gets multiplied and what gives 
us three real axes of space.

This space is therefore depending on the direction of time.

Curvature of the axis of time is actually an acceleration in a 
space-time diagram, which usually has one axis of time and only one of 
type space.

Now this can 'curve' and we get gravity, which is a force, that results 
from such curvature.

Now light ('photons') pass through such a distorted space upon force 
free straight lines, which are actually curved in spacetime in presence 
of a gravitational field.

This pass is NOT curved by gravitation, but by curvature of space.


....


TH