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From: Kevin on 19 Jun 2010 13:28
On Jun 18, 12:50 am, Pentcho Valev <pva...(a)yahoo.com> wrote:
> According to Newton's emission theory of light, light slows down in
> the gravitational field of the emitter and continues to move
> REDSHIFTED in the distant (zero-field) space with a DECREASED speed
> c'=c(1+phi/c^2), where phi is the gravitational potential difference
> between the surface of the emitter and the distant (zero-field) space.

I'm not so sure redshift is such a reliable indicator of what it is
perported to measure... If the edges of space are moving at
relativistic speeds in an orbit around us, redshift wouldn't be able
to tell us that.
From: Pentcho Valev on 20 Jun 2010 00:50
Why is light redshifted in a gravitational field? The journal Nature
explains:

http://www.nature.com/news/2010/100617/full/news.2010.303.html
Nature: "Gravity is mercilessly impartial - on Earth, it accelerates
light and heavy objects alike with a tug of 9.8 metres per second
squared."

Yes, the frequency shifts because THE SPEED OF LIGHT SHIFTS, in
accordance with the equation c'=c(1+V/c^2) given by Newton's emission
theory of light (V is the gravitational potential difference between
the point of emission and the point of reception of light). Believers
would not understand the importance of Nature's confession but at
least they could stop singing "Divine Einstein" and "Yes we all
believe in relativity, relativity, relativity", just in case:

http://www.haverford.edu/physics/songs/divine.htm
No-one's as dee-vine as Albert Einstein
Not Maxwell, Curie, or Bohr!
He explained the photo-electric effect,
And launched quantum physics with his intellect!
His fame went glo-bell, he won the Nobel --
He should have been given four!
No-one's as dee-vine as Albert Einstein,
Professor with brains galore!
No-one could outshine Professor Einstein --
Egad, could that guy derive!
He gave us special relativity,
That's always made him a hero to me!
Brownian motion, my true devotion,
He mastered back in aught-five!
No-one's as dee-vine as Albert Einstein,
Professor in overdrive!

http://www.youtube.com/watch?v=5PkLLXhONvQ
We all believe in relativity, relativity, relativity.
Yes we all believe in relativity, 8.033, relativity.
Einstein's postulates imply
That planes are shorter when they fly.
Their clocks are slowed by time dilation
And look warped from aberration.
We all believe in relativity, relativity, relativity.
Yes we all believe in relativity, 8.033, relativity.

Pentcho Valev
pvalev(a)yahoo.com
From: Pentcho Valev on 20 Jun 2010 10:36
http://www.physlink.com/Education/AskExperts/ae13.cfm
"So, it is absolutely true that the speed of light is not constant in
a gravitational field [which, by the equivalence principle, applies as
well to accelerating (non-inertial) frames of reference]. If this were
not so, there would be no bending of light by the gravitational field
of stars....Indeed, this is exactly how Einstein did the calculation
in: 'On the Influence of Gravitation on the Propagation of Light,'
Annalen der Physik, 35, 1911. which predated the full formal
development of general relativity by about four years. This paper is
widely available in English. You can find a copy beginning on page 99
of the Dover book 'The Principle of Relativity.' You will find in
section 3 of that paper, Einstein's derivation of the (variable) speed
of light in a gravitational potential, eqn (3). The result is,
c' = c0 ( 1 + V / c^2 )
where V is the gravitational potential relative to the point where the
speed of light c0 is measured."

THEOREM 1: The speed of light obeys the equation c'=c(1+V/c^2) if and
only if, in the absence of a gravitational field, it obeys the
equation c'=c+v where v is the speed of the emitter relative to the
observer.

Both equations belong to Newton's emission theory of light and
contradict Einstein's 1905 light postulate:

http://www.fourmilab.ch/etexts/einstein/specrel/www/ "...light is
always propagated in empty space with a definite velocity c which is
independent of the state of motion of the emitting body."

THEOREM 2 (The Redshift Law): If the assumption that the wavelength of
light varies with the speed of the observer is absurd, then the
following unversal equation holds:

f'/f = c'/c

where f' is the shifted frequency of light (at the moment of
reception), f is the original frequency (at the moment of emission),
c' is the speed of light relative to the observer (at the moment of
reception), c is the speed of light relative to the emitter (at the
moment of emission).

Pentcho Valev wrote:

Why is light redshifted in a gravitational field? The journal Nature
explains:

http://www.nature.com/news/2010/100617/full/news.2010.303.html
Nature: "Gravity is mercilessly impartial - on Earth, it accelerates
light and heavy objects alike with a tug of 9.8 metres per second
squared."

Yes, the frequency shifts because THE SPEED OF LIGHT SHIFTS, in
accordance with the equation c'=c(1+V/c^2) given by Newton's emission
theory of light (V is the gravitational potential difference between
the point of emission and the point of reception of light). Believers
would not understand the importance of Nature's confession but at
least they could stop singing "Divine Einstein" and "Yes we all
believe in relativity, relativity, relativity", just in case:

http://www.haverford.edu/physics/songs/divine.htm
No-one's as dee-vine as Albert Einstein
Not Maxwell, Curie, or Bohr!
He explained the photo-electric effect,
And launched quantum physics with his intellect!
His fame went glo-bell, he won the Nobel --
He should have been given four!
No-one's as dee-vine as Albert Einstein,
Professor with brains galore!
No-one could outshine Professor Einstein --
Egad, could that guy derive!
He gave us special relativity,
That's always made him a hero to me!
Brownian motion, my true devotion,
He mastered back in aught-five!
No-one's as dee-vine as Albert Einstein,
Professor in overdrive!

http://www.youtube.com/watch?v=5PkLLXhONvQ
We all believe in relativity, relativity, relativity.
Yes we all believe in relativity, 8.033, relativity.
Einstein's postulates imply
That planes are shorter when they fly.
Their clocks are slowed by time dilation
And look warped from aberration.
We all believe in relativity, relativity, relativity.
Yes we all believe in relativity, 8.033, relativity.

Pentcho Valev
pvalev(a)yahoo.com
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