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From: Archimedes Plutonium on 13 May 2010 14:02


Archimedes Plutonium wrote:
(snipped)
> --- from Wikipedia ---
> classical electron radius, also known as the Lorentz radius or the
> Thomson scattering length, is based on a classical (i.e., non-quantum)
> relativistic model of the electron. Its value is calculated as 2.8 x
> 10^-15 meters
> --- end ---
>
>
> So the diameter is x2 = 5.6 x 10^-15 meters
>
> 1 light year = 10^16 meters
> 400 million ly = 4 x 10^8
> So I am looking at 4 x 10^24 meters
>
> The probability of a hurdle in running from a random lattice is 6/
> (pi^2).
>
> That gives me reassurance that 400 million light years is too far of a
> distance
> if the Cosmic density of atoms is 1 atom per cubic meter.
>

Let me see if I can talk my way into an answer here. Or at least a
better
way of arriving at an answer that is intuitive.

Let me say that I was on a quasar that was 400 million light years
away from
Earth. And that the quasar shots a beam of light towards
Earth. Let me say I was riding on one of those light-waves towards
Earth.

And to get to Earth as my final destination. I need to miss every one
of those
Intergalactic atoms whose diameter is 5.6 x 10^-15 meters. So
travelling in the
IGM, intergalactic medium, I have to worry about each lattice cell
that is a cubic
meter because inside each of those lattice cells resides a electron
diameter that
could end my travel to the Earth.

So that if the distance from this quasar to Earth is 400 million light
years away,
means that I encounter 4 x 10^24 of these lattice cells and that many
chances
of being blocked by the electron diameter inside each one of those
cells.

If I were a gambling man, this is not a trip I would bet success on.
The distance
involved of 4 x 10^24 meters, and the blocking involved of 5.6 x
10^-15 meters
per every cubic meter is not in my favor. Now if the density of the
IGM were in
the Electron Magnetic Moment of 9.28 x 10^-24 J/T then I would have
some chance
of making it through, or better yet the Proton Magnetic Moment of 1.41
x 10^-26 J/T.

Archimedes Plutonium
http://www.iw.net/~a_plutonium/
whole entire Universe is just one big atom
where dots of the electron-dot-cloud are galaxies
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