Gravitational acceleration

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18 years 9 months ago #14670 by Cindy
Replied by Cindy on topic Reply from
Hi Uncle Tom,

I have another questions for you:

1. Do you remember a gentleman who wrote:<i>"The analysis of the precession effects considered herein was stimulated by Tom Van Flandern. When I outlined to him the exponential scale factor and the implied gravitational force, he indicated that I needed to consider the precession effects. E. Miles Standish of JPL graciously supplied numerous articles and reprints regarding the optical and radar determinations of planetary ephemerides. The author appreciated the editing which Dr. Cynthia Kolb Whitney provided. Her work together with suggestions from the referee have significantly clarified the presentation."</i>

2. Was the above statement written about 1998 ?

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18 years 9 months ago #17228 by tvanflandern
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Cindy</i>
<br />Do you remember a gentleman who wrote...<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">No. The sentence does not even make sense, perhaps because it is out of context. "Exponential scale factor"? What has that to do with precession?

<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">Was the above statement written about 1998 ?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">I wouldn't know because I don't recognize it. -|Tom|-

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18 years 9 months ago #17116 by Cindy
Replied by Cindy on topic Reply from
Hi Uncle Tom,

I have couple links for you. Would you please take a look at the velocity equation #27 and give me a comment ?

Thank you so much,

=======================================

<b>There are no black holes.</b>
<i>
The GRT gravitational scale factor, equation (2), has problems when the second term within the square root reaches a value of unity. Then the scale factor becomes zero. The speed of light would become zero and no return signal would ever be received. The Newtonian escape velocity, equation (8) would imply that the speed of a particle falling from outside the gravitational field would exceed the speed of light. The gravitational force (19) would become infinite. Also, clocks would stop, lengths become zero and mass become infinite.

Somehow GRT claims that when this scale factor reaches zero a coordinate change can be made which will avoid the obvious problems. Instead of a problem, GRT claims that we have reached the "horizon" of a black hole.

But use of the EGT revised gravitational scale factor, equation (17), eliminates the zero scale factor, and hence the velocity problems. For example, using the same constraint as for equation (8) (that the product of the gravitational scale factor and the velocity scale factor equal unity), equation (17) yields a revised velocity equation


v = c.sqrt(1-exp(-2GM/rc^2) (27)



which only asymptotically approaches the speed of light as the separation distance goes to zero.

And use of the gravitational scale factor, equation (17), along with the new force law, equation (19), clearly show that, as mass accumulates, the force does not approach infinity. There is no scale factor discontinuity. The gravitational force is self-limiting.

In short, there is no occurrence of scale-factor zero. There is no event horizon. There are no black holes.</i>

=====================================

www.egtphysics.net/gravity/gravity.htm
www.egtphysics.net/author/ronh.htm

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18 years 9 months ago #17117 by tvanflandern
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Cindy</i>
<br />Would you please take a look at the velocity equation #27 and give me a comment?<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">Web site evaluation is a time-consuming and unrewarding process. We have a (paid) professional service for those who need such a service. [See metaresearch.org/publications/PMRS/PMRS.asp ] But you will find few volunteers because active professionals usually don't have time to spend in such unproductive processes.

Bottom line: If it isn't peer-reviewed, use with extreme caution. -|Tom|-

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18 years 9 months ago #14677 by Cindy
Replied by Cindy on topic Reply from
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Cindy</i>
<br />Hi Uncle Tom,

I have another questions for you:

1. Do you remember a gentleman who wrote:<i>"The analysis of the precession effects considered herein was stimulated by Tom Van Flandern. When I outlined to him the exponential scale factor and the implied gravitational force, he indicated that I needed to consider the precession effects. E. Miles Standish of JPL graciously supplied numerous articles and reprints regarding the optical and radar determinations of planetary ephemerides. The author appreciated the editing which Dr. Cynthia Kolb Whitney provided. Her work together with suggestions from the referee have significantly clarified the presentation."</i>

2. Was the above statement written about 1998 ?


<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">

Hi Uncle Tom,

I gave you two links. One link is for the article which contains the above statement; another link is about the author.

I thought the author of the article is a friend of yours and I hoped you would remember the article through the link.

I may have to contact directly to the author for more explanation.

Anyway I thank you very much.

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18 years 9 months ago #14678 by tvanflandern
<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by Cindy</i>
<br />I thought the author of the article is a friend of yours and I hoped you would remember the article through the link.<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">Why didn't you say it was Ron Hatch? He is a knowledgeable source, although we do not always agree. But never provide a link (which I rarely click on -- that can get one spammed or worse) when a few words would do as well.

<blockquote id="quote"><font size="2" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">I may have to contact directly to the author for more explanation.<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">It's always best to talk to the source -- especially since you did not ask any specific question here, so it's hard to know how to help. -|Tom|-

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