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Topic: A black hole cannot pull light backward
Replies: 21   Last Post: Nov 19, 2011 11:42 PM

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james thomas

Posts: 36
Registered: 11/7/11
Re: A black hole cannot pull light backward
Posted: Nov 14, 2011 6:43 PM
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On Nov 14, 1:57 pm, Tom Roberts <> wrote:
> On 11/13/11 11/13/11 - 3:34 PM, james thomas wrote:

> > [... uninformed nonsense]
> Replying to the subject: In GR a black hole DOES "pull light backward".

Tom where does the C speed go?
No. It does not slow down under gravity Like Matter.
You apparently are some kind of idiot.

> One of the best definitions of the event horizon of a black hole is that it is a
> closed trapped surface. That is, the horizon is closed (has no boundary), and
> trapped -- every non-spacelike (timelike or null) trajectory that intersects the
> surface goes into its interior. That means no object can escape, and even light
> that is initially emitted outward from the horizon actually goes inward. AFAICT
> that contradicts your claim "cannot pull light backward".
> Tom Roberts

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