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Newsgroups: sci.physics.relativity
Subject: Re: In relativity "s" is for "spin"
From: nospam@de-ster.demon.nl (J. J. Lodder)
Reply-To: jjlxa31@xs4all.nl (J. J. Lodder)
Date: Sun, 30 Jun 2024 22:15:59 +0200
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Mikko <mikko.levanto@iki.fi> wrote:

> On 2024-06-29 18:10:03 +0000, LaurenceClarkCrossen said:
> 
> > How is light affected twice as much by gravity as everything else,
> > according to relativity? According to Galileo and Eotvos, everything is
> > affected the same by gravity regardless of mass or material. How does
> > relativity "spin" this discrepancy (to use a colloquialism)?
> 
> The speed of an object determines how long the object is close enough
> to a more massive object that it is significantly deflected. Light is
> faster that anything else so it is deflected less than anything else
> (if passing the massive object at the same distance).
> 
> A small object like a single atom can be accelerated to a speed that
> is only slightly less than the speed of light. Unfortunately a single
> atom is so easily lost that it has not yet been pssible to observe how
> much it is deflected by a massibe body. General Relativity predicts
> that it is deflected nearly as much as light.

Indeed. It is very unkind of the universe
not to provide steady point sources of relativistic particles,

Jan