[geocentrism] Re: Sphere movement
- From: Paul Deema <paul_deema@xxxxxxxxxxx>
- To: geocentrism@xxxxxxxxxxxxx
- Date: Sat, 17 Nov 2007 03:22:51 +0000 (GMT)
Neville J
My responses in teal.
Paul D
----- Original Message ----
From: philip madsen <pma15027@xxxxxxxxxxxxxx>
To: geocentrism@xxxxxxxxxxxxx
Sent: Saturday, 17 November, 2007 2:08:40 AM
Subject: [geocentrism] Re: Sphere movement
My answers inserted. I think I had no problem following a simple diagram like
that. I hope so anyway.
I would prefer the point P be a spot having some dimension for clarity and
reality. A point has no dimension.
Philip.
----- Original Message -----
From: Neville Jones
To: geocentrism@xxxxxxxxxxxxx
Sent: Saturday, November 17, 2007 7:51 AM
Subject: [geocentrism] Sphere movement
Regner, Philip and Paul,
Take a look at the latest diagram attached.
Take any non-polar point, P, on the surface of a sphere. Assume that the sphere
is small and that it rotates about the axis AB. Sample the point P at 1 minute
intervals, where the sphere takes 1436 minutes to rotate once around AB. Does P
rotate about AB following the path indicated by arrow 1?
It rotates by translation around AB and if attached to the sphere which seems
to be indicated , it also spins on itself one rev per translated rotation.
I concur with PM's view.
Now assume the sphere to be bigger and to rotate once every 365 days about axis
CD. Sample the position of P every day. Does P rotate about CD following the
path indicated by arrow 2 ? (Notice that this is a different sphere.)
Yes, if P is fixed to the sphere which seems to be indicated, like a bead on a
string, it will rotate by translation one revolution per year, around CD and it
will make one spin on its own axis per year parallel to CD. which on scale can
be called the same as a spin around CD
I concur with PM's view.
Take any dot on the diagram to be P and rotate the sphere (of either dimension,
large or small) about either axis. Does P rotate about the particular rotation
axis?
So long as the dot P is a fixed point point on the sphere it will show a spin
oround its own axis and thus a spin around the main axis due to translation.
YES agreed.. this has always been acknowledged.
I concur with PM's view.
Finally, take P to be successive dots from left to right around the path given
by rotation 1 (which is effectively rotating P's position around AB) on a tiny
sphere which becomes the size of a dot on the larger sphere, and rotate this
larger sphere about CD at 1 revolution per 365 days. Sample at 1 day intervals.
In this case, is P rotating about AB whilst simultaneously rotating about the
axis CD ?
Yes I accept that providing as before in the above descriptions the point is
fixed to the sphere or orbit of travel. in which case if P was a sphere , which
I know you are simulating, it would act like the moon orbiting the earth. It
would have one spin, and thus fulfill your requirement of one spin in 365 days.
However this is not the case with the earth translating around the sun. The
gyroscopic stabilising influence of the worlds daily spin in HC mode disengages
the point from the sphere causing it to counter the spin such translation would
like to make. This is why I made certain it was understood, that which you did
not postulate but which was assumed, and that is that in your examples the spin
would only occur if the point was fixed and held in position on the sphere. In
the space environment of an orbiting body such as the earth is around the sun ,
I repeat,
The gyroscopic stabilising influence of the worlds daily spin in HC mode
disengages the point from the sphere causing it to counter the spin that such
translation would like to make. You in effect want to keep your "point" or
world in place around the orbit as though it were like a bead on a string..
You cannot do that.
Allen might call it a different reference frame.. But as you know I do not
accept them.. But relative motions and the illusions they make.. yes.. true.
I think I agree with PM but I'm having trouble visualising both your
description and his comments and there are uncertainties about the terminology
in my mind. Multiply this with the precise understanding of these terms in both
your minds and you may understand my lack or certainty. Also you didn't state
the rotation rate of the tiny sphere. If it is not rotating but rather fixed to
your large sphere then it is irrelevant. I don't see the relevance of the
sample rate.
I'll make a separate submission in this thread.
Philip.
Neville
www.GeocentricUniverse.com
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