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From: Painius on 28 Jun 2010 13:08
"eric gisse" <jowr.pi.nospam(a)gmail.com> wrote...
in message news:i08p7p$tbn$5(a)news.eternal-september.org...
> ..@..(Henry Wilson DSc) wrote:
> [...]
>
>> Yes. Earth lies on the outskirts of our galaxy. Average cosmic light is
>> emitted much closer to the centres of other galaxies.
>> Since light slows as it escapes galactic gravity and speeds up as it
>> falls
>> towards other masses, it is obvious that average starlight is arriving at
>> Earth at speeds lower than c and is therefore redshifted.
>
> Then how come frequency times wavelength always equals c?

Yes, Eric, but is the rest of what he said of merit? If
light loses energy as it leaves its star's/galaxy's gravity
well, and then regains energy as it enters our gravity
well, is this -energy/+energy pretty much a balanced
effect? Does one cancel out the other? Or is there an
offset, an imbalance, to some degree?

happy days and...
starry starry nights!

--
Indelibly yours,
Paine Ellsworth

P.S. "The belief that there is only one truth, and
that oneself is in possession of it, is the root
of all evil in the world."
> Max Born, quantum physicist, and
Olivia Newton John's grandfather!

P.P.S.: http://www.painellsworth.net
http://en.wikipedia.org/wiki/User:Paine_Ellsworth


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