Re: Center of Mass of the Universe?

From: RP (no_mail_no_spam_at_yahoo.com)
Date: 11/07/04 

Date: Sun, 07 Nov 2004 07:49:59 -0600

hanson wrote:

> "Jack Martinelli" <jack@martinelli.org> wrote in message
> news:uEZid.6167$O11.2769@newsread3.news.pas.earthlink.net...
>
>>"Sam Wormley" <swormley1@mchsi.com> wrote in message
>>news:dKTid.60723$R05.5375@attbi_s53...
>>
>>>TomGee wrote:
>>>
>>>>Sam Wormley <swormley1@mchsi.com> wrote in message
>>>>news:<CMKid.58361$R05.40739@attbi_s53>...
>>>>
>>>>>TomGee wrote:
>>>>>
>>>>>>I think it is hard for you to see it because it is not only
>>>>>>I think it is hard for you to see it because it is not only
>>>>>>counter-intuitive but the concept that the center of mass
>>>>>>of the universe is "at every point" is based on the fact that
>>>>>>we cannot from our viewpoint ever tell where the center
>>>>>>might be.
>>
>>[Sam]
>>
>>> Tom, what part of no center don't you understand? I'll quote Ned
>>> for you from http://www.astro.ucla.edu/~wright/nocenter.html
>>> "The Big Bang has no center. It is not an explosion radiating
>>> from a point. ... There is no center because all positions in
>>> the Universe are equivalent. The Universe is homogeneous, which
>>> is part of the cosmological principle."
>>
> [Jack]
>
>>Which I'm pretty sure is not the same thing as "all points" are centers.
>
> and initially you asked:
>
>>>>>If you calculate the center of mass of the universe, where is it?
>
>
> [hanson]
> Jack, you have received a great many responses with the standard
> explanations along with their caveats, applicable to some quasi to
> non-existent realities proposed by these models...You didn't buy any...
>
> ahaha.....Now, let me sell you something that is intuitively acceptable.
>
> Accept or believe that the universe is ~ uniform in its matter density
> and that it is much, much larger then the PORTION we can see of it.
> Accept that the total universe stretches much much farther out then to
> the ~15 BLY away from us in any direction from our place right here.
>
> But, within this "visible" sphere, lit up by starlight, which is ONLY our
> visible portion of the total universe, YOU are obviously exactly at its
> center, the center where YOU do you stand right now , fart and look
> and ogle from.
>
> Now, if the universe is much larger then 15BLY, then wherever you go,
> even out to the 15 BLY limit from where you stand now, you will be
> still in the center of a (new) sphere of a 15BLY large universe. You
> are simply IN THE CENTER OF ANOTHER PORTION of the universe (in
> our cosmos that is much, much larger then our visible portion of it)
> ....and you could drive this scenario (and your movement) on forever
> and you still will always be in the center of what you see. Ergo, the
> center of the universe/cosmos is everywhere.... or "all points" are centers.
>
> It's a bit like you standing at night in a vast field of fog about which
> you have no idea how large it is. Now, wherever you point your
> flashlight to, you will see by your beam, that it is reflected by a "light
> wall" within this fog. You realize that you're right at the center of the
> sphere that you have lit up with your flashlight. Now, no matter
> where you move to or wander around.....you'll always be exactly
> at the center of your own lit up fog-universe. --- Conversely, if
> there were many other light carriers, like you, strewn around in
> this field of fog, you'd only be able to see them when they do come
> within the radius that you yourself have light up. Hence, that lit up
> sphere in this sea of fog is your personally visible "universe" portion
> of/in that vast fog universe. And you are always at the center, no
> matter where you go, because the fog always extents to much farther
> then you will travel.....
>
> Now, consider that the fog, you are in, is beginning to thin. Then
> obviously the water droplets are getting further apart -- same/similar
> to/with the cosmological models: Replace the waterdroplets with
> galaxies and you have your "expanding universe" models.
>
> Caveat: Remember, ALL these theories are just stories about nature.
> **STORIES** that more or less confirm what we (like to) believe to
> have experienced. But the actual reality of it all may very well be a
> very different story whose borne is hidden from us by fiat...........
>
> Are you at center now, Jack?........
> Of course you are. Not only spatially but at ALL TIMES to boot!..ahaha..
> ahahaha........AHAHAHAHA......ahahahanson

That simply didn't make a bit of sense. Are you in the center of a dark
room just because you can't see the walls?

Richard Perry

Relevant Pages

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