AKaulins@aol.com Sep 24, 2005
>--- In guide-user@yahoogroups.com, Paul Schlyter <pausch@s...> wrote:...or we may not. That's the nature of speculation: we fumble in the
>> Andis Kaulins wrote:
>>> In my opinion, these variations are caused by planetary
>>> perturbations viz. planetary positions varying between perihelion
>>> and aphelion.
>............
>>> If that were true, then primarily responsible for the ca. 190-
>>> year cycle would be Pluto
>.............
>> You assume Pluto influences Delta-T merely because of a (very)
>> approximate coincidence in the period. Now, the tidal force on
>> the Earth due to Jupiter is some 100 million times stronger than
>> the tidal force on the Earth due to Pluto.
>>
>> If Pluto noticeably influences the Earth's rotation, how come we
>> don't see a vastly stronger variation on Delta-T due to Jupiter?
>> Such an influence could be expected to have a period of some 12
>> years, right?
>>
>> The answer is that even the tidal force from Jupiter upon the Earth
>> is far too weak to have any noticeable influence on the Earth. The
>> tidal force from the Moon (which is quite noticeable) is some 300.000
>> times stronger than the tidal force from Jupiter --- and some 30
>> trillion times stronger than the tidal force from Pluto.
> Hi Paul,
>
> I hope you realize that all that I write on this topic is highly
> speculative from my point of view, but we may be touching here upon
> important matters through that speculation.
> I have found an article atThey say they RECORDED gravitational waves? That contradicts the
> http://www.omirp.it/www/Gravitational_Waves/GW+Matter/GW_and_Matter.pd
> f (URL may not fully wrap)
> which perhaps sheds interesting light on the as yet theoretical
> gravitational waves and the rate of spin of the Earth.
>
> That is the 20 January 2003 article
> "Interaction of Gravitational Waves with Matter"
> by Primo Galletti and Aldo Aluigi
> where they write about "two Gravitational Waves of high intensity
> recorded from 16th to 23rd August 1999 and from 25th to 30th August
> 1999" which they claim might have had an effect on the rate of spin
> of the Earth. They write:
> "Due to the impact with the gravitational wave, another two relevantHere you point to a site which refers to astrology and Nostradamus.
> phenomena are likely to be produced on the Earth:
> 1. a slowing down of the Earth rotation around its axis...."
>
> and further
>
> "The slowing down of the Earth is very likely only temporary. Later
> on and in a longer time, the Earth's rotation speed will increase
> again (due to the "cyclonic" effect) restoring the initial value, as
> cyclones and anti-cyclones continuously forming accelerate/decelerate
> the Earth rotation depending on the heat they receive from the Sun
> (it has to be kept in mind that the cyclone momentum is (always)
> higher than that of the anti-cyclone)."
>
> Galletti and Aluigi think the gravitational wave came from far outer
> space but we think it might be the planets.
>
> The most recent perihelion of Pluto occurred on Sept. 5, 1989 when it
> was inside the orbit of Neptune. Pluto crossed Neptune's orbit in
> February of 1999. It was in 1999 when we got the alleged
> gravitational waves of Galletti and Aluigi
> see http://www.space.com/reference/brit/pluto/overview.html
> at the same time (August 17 to 18, 1999), as a Grand Cross (90 degree
> x 90 degree x 90 degree x 90 degree) of planets
> see http://astrology.about.com/od/predictive/l/aa080299.htm for a
> graph and also http://www.globalpsychics.com/lp/prophecy/maps.htm.There are definitely an enormous number of things we don't know yet!
>
> Could gravitational waves have anything to do with Delta-T?
>
> Gravitational waves are explained at
> http://en.wikipedia.org/wiki/Gravitational_waves
> and see generally http://elmer.tapir.caltech.edu/ph237/
>
> Gravitational waves are predicted by Einstein's theories
> http://imagine.gsfc.nasa.gov/docs/features/topics/
> but have never been observed, according to the New Scientist
> http://www.newscientist.com/article.ns?id=dn7139
> so we must of course then ask what Galletti and Aluigi were measuring.
>
> We think that the changes in the rate of spin of the Earth, i.e.
> Delta-T may prove to be instrumental in proving Einstein's theory.
> What else, other than gravitational waves, could affect this rate of
> spin of the Earth, so that such gravitational waves must be coming
> from somewhere. We just now have to isolate where. I still think the
> planets of our solar system in motion are our best bet.
>
> I understand your arguments about mass, but perhaps there are things
> that we don't know yet.
>________________________________________________________________________
>
> Andis Kaulins wrote:
>
> >--- In guide-user@yahoogroups.com, Paul Schlyter <pausch@s...> wrote:
> >> Andis Kaulins wrote:
>
> >>> In my opinion, these variations are caused by planetary
> >>> perturbations viz. planetary positions varying between perihelion
> >>> and aphelion.
> >............
> >>> If that were true, then primarily responsible for the ca. 190-
> >>> year cycle would be Pluto
> >.............
> >> You assume Pluto influences Delta-T merely because of a (very)
> >> approximate coincidence in the period. Now, the tidal force on
> >> the Earth due to Jupiter is some 100 million times stronger than
> >> the tidal force on the Earth due to Pluto.
> >>
> >> If Pluto noticeably influences the Earth's rotation, how come we
> >> don't see a vastly stronger variation on Delta-T due to Jupiter?
> >> Such an influence could be expected to have a period of some 12
> >> years, right?
> >>
> >> The answer is that even the tidal force from Jupiter upon the Earth
> >> is far too weak to have any noticeable influence on the Earth. The
> >> tidal force from the Moon (which is quite noticeable) is some 300.000
> >> times stronger than the tidal force from Jupiter --- and some 30
> >> trillion times stronger than the tidal force from Pluto.
>
> > Hi Paul,
> >
> > I hope you realize that all that I write on this topic is highly
> > speculative from my point of view, but we may be touching here upon
> > important matters through that speculation.
>
> ...or we may not. That's the nature of speculation: we fumble in the
> dark and don't really know what we're talking about. Occasionally
> speculation can provide inspiration which later reveals important
> discoveries. But most speculation are little but entertainment for
> those who speculate.
>
> > I have found an article at
> > http://www.omirp.it/www/Gravitational_Waves/GW+Matter/GW_and_Matter.pd
> > f (URL may not fully wrap)
> > which perhaps sheds interesting light on the as yet theoretical
> > gravitational waves and the rate of spin of the Earth.
> >
> > That is the 20 January 2003 article
> > "Interaction of Gravitational Waves with Matter"
> > by Primo Galletti and Aldo Aluigi
> > where they write about "two Gravitational Waves of high intensity
> > recorded from 16th to 23rd August 1999 and from 25th to 30th August
> > 1999" which they claim might have had an effect on the rate of spin
> > of the Earth. They write:
>
> They say they RECORDED gravitational waves? That contradicts the
> statement on the home page of that site http://www.omirp.it
> where one can read: "Until today any attempt to detect Gravitational
> Waves has not been successful."
>
> If these people actually succeeded in recording "high intensity"
> gravitational waves already six years ago, they shouldn't just post
> it on Usenet but submit a report to a major scientific journal, e.g.
> Nature, because that would be Big News! Of course they'd have to
> submit details about how they recorded these gravitational waves
> to enable others to repeat their experiment.... :-) But if they
> really succeeded in detcting gravitational waves, that would be
> a major breakthrough and they'd make it into science history.
>
> > "Due to the impact with the gravitational wave, another two relevant
> > phenomena are likely to be produced on the Earth:
> > 1. a slowing down of the Earth rotation around its axis...."
> >
> > and further
> >
> > "The slowing down of the Earth is very likely only temporary. Later
> > on and in a longer time, the Earth's rotation speed will increase
> > again (due to the "cyclonic" effect) restoring the initial value, as
> > cyclones and anti-cyclones continuously forming accelerate/decelerate
> > the Earth rotation depending on the heat they receive from the Sun
> > (it has to be kept in mind that the cyclone momentum is (always)
> > higher than that of the anti-cyclone)."
> >
> > Galletti and Aluigi think the gravitational wave came from far outer
> > space but we think it might be the planets.
> >
> > The most recent perihelion of Pluto occurred on Sept. 5, 1989 when it
> > was inside the orbit of Neptune. Pluto crossed Neptune's orbit in
> > February of 1999. It was in 1999 when we got the alleged
> > gravitational waves of Galletti and Aluigi
> > see http://www.space.com/reference/brit/pluto/overview.html
> > at the same time (August 17 to 18, 1999), as a Grand Cross (90 degree
> > x 90 degree x 90 degree x 90 degree) of planets
> > see http://astrology.about.com/od/predictive/l/aa080299.htm for a
>
> Here you point to a site which refers to astrology and Nostradamus.
> I think I'm starting to understand which cam you are in..... :-/
>
> > graph and also http://www.globalpsychics.com/lp/prophecy/maps.htm.
> >
> > Could gravitational waves have anything to do with Delta-T?
> >
> > Gravitational waves are explained at
> > http://en.wikipedia.org/wiki/Gravitational_waves
> > and see generally http://elmer.tapir.caltech.edu/ph237/
> >
> > Gravitational waves are predicted by Einstein's theories
> > http://imagine.gsfc.nasa.gov/docs/features/topics/
> > but have never been observed, according to the New Scientist
> > http://www.newscientist.com/article.ns?id=dn7139
> > so we must of course then ask what Galletti and Aluigi were measuring.
> >
> > We think that the changes in the rate of spin of the Earth, i.e.
> > Delta-T may prove to be instrumental in proving Einstein's theory.
> > What else, other than gravitational waves, could affect this rate of
> > spin of the Earth, so that such gravitational waves must be coming
> > from somewhere. We just now have to isolate where. I still think the
> > planets of our solar system in motion are our best bet.
> >
> > I understand your arguments about mass, but perhaps there are things
> > that we don't know yet.
>
> There are definitely an enormous number of things we don't know yet!
>
> It's very easy to speculate. However, our speculations say much more
> about ourselves than about the object of our speculations. It is much
> harder to determine what we actually know and what we don't know, and
> to differentiate the two the best we can do, given our current knowledge.
> Some of the conclusions we draw today will in the future turn out to
> be wrong. That's the nature of science.
>
> Most of our speculations will turn out to be wrong too. And those few
> speculations which are right will be right only by chance.
>
> You play two games here:
>
> 1. The "prove mw wrong" game. Many speculations cannot be proved
> wrong because we know far too little about the object of speculation.
> Some people then follow the logic "Since they cannot prove me wrong,
> I must be right", which is a flawed logic. But if you're caught up
> in wishful thinking, you might fall into that trap.
>
> 2. The "conicidence" game - "Event A happened at or near the same
> time as event B, therefore there must be a causal relation between
> the two". Astrologers play that game all the time to find celestial
> "causes" of events in their everyday lives, and since there are
> always things happening up in the sky, they'll usually be able to
> find some celestial event which "explains" something in their lives.
>
>
> So I'll provide you with another speculation which in my ears seems
> much more reasonable than your assumption that tiny and distant Pluto
> should measureably affect the Earth's rotation or even cause earthquakes!
>
> We know very little about the interior of the Earth. We do know some
> things though, for instance that the solid crust of the Earth is very
> thin compared to the Earth itself: its thickness is only about one
> percent of the radios of the Earth. Below that we have the interior
> of the Earth which is hot and liquid or at least semi-liquid. We also
> know that the interior of the Earth moves - the Earth's magnetic field
> and the motion of the Earth's magnetic poles is clear evidence of that.
> The (much smaller) movement of the Earth's geographical poles is another
> proof.
>
> >From mechanics we know that the angular momentum of a body remains
> constant unless it is subjected to external forces modifying its
> angular momentum. In the case of the Earth the only known significant
> force of that kind is the slow slowdown of the Earth's rotation due
> to the tides by mostly the Moon but also the Sun. And in principle
> all the other planets as well (including tiny Pluto), although their
> influences are microscopic compared to the influences from the Sun
> and the Moon.
>
> So except the slow and smooth slowdown of the Earth's rotation the
> angular momentum of the Earth remains constant. Yet we observe
> small and irregular changes in the Earth's rotation - how come?
>
> To clarify this, we must be more precise with what we mean with
> "the Earth's rotation". What slows down smoothly and regularly
> is the angular momentum of the entire Earth, including the Earth's
> interior. But when we measure the Earth's rotation, we only
> measure the rotational speed of the thin crust of the Earth,
> which contains a small fraction of the entire mass of the Earth.
>
> It is quite possible, and even probable, that the interior of the
> Earth has a rotational period which is different from the surface of
> the Earth - remember that the interior of the Earth is not solid!
> How different they are we don't know, and we don't even know if
> the interior rotates faster or slower than the crust. But it
> appears unlikely that the two of them should have exactly the
> same speed of rotation.
>
> And this directly gives us a possible mechanism for small irregular
> changes in the rotational speed of the surface of the Earth: mass
> flow inside the Earth could easily alter the rotational speed of the
> Earth: if heavier mass would sink nearer the center of the Earth,
> while lighter matter would move closer to the Earth's surface, the
> Earth's rotation will immediately speed up, while the angular
> momentum of the Earth remains unchanged. And if the opposite would
> happen - heavier matter would move upwards and lighter downwards, the
> Earth will slow down a little.
>
> We do know that matter is redistributed in the Earth's interior.
> Over the short term earthquakes is clear evidence of that, and over
> the long term we have the continental drift.
>
> But we know almost nothing about how the matter is redistributed in
> the Earth's interior. Therefore we cannot predict either earthquakes
> or irregular small changes in the rotational period of the Earth.
>
>
> This is the end of this speculation. It the clear advantage that no
> "new physics" is required -- the good ol' Newtonian physics, which
> works fine for macroscopic bodies moving mush slower than light, is
> enough.
>
> And you cannot disprove my speculation, just as little as I can
> disprove yours.
>
> So which of these two speculations should we choose? There's
> an old rule-of-thumb here which is called "Occam's Razor", which
> basically states that you should choose the simplest model which
> explains the observed phenomena.
>
> We have my speculation about a mostly-unknown interior of the Earth
> where good ol' Newtonian physics is enough to explain small irregular
> variations in the Earth's rotation.
>
> And we have your speculation that the planet Pluto causes these small
> variations in the Earth's rotation. Since Pluto is far too small and
> distant to be able to do this through Newtonian physics (or general
> relativity or quantum mechanics), you simply say "perhaps there are
> things that we don't know yet". This is of course true, but it also
> means that your speculation requires some kind of "new physics" of
> which you cannot say anything yet. That is a clear complication.
>
> Therefore, Occams razor clearly favor my speculation over yours,
> just because my speculation does not require any "new physics".
>
>
> Future advancements in science can of course prove me wrong - it
> can prove any current theory wrong. But we're not there yet....
>
>
>
>
>
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