Re: accruate "sundials"



jtaylor wrote:
> "lal_truckee" <lal_truckee@xxxxxxxxx> wrote in message
> news:Z3fue.2573$Bx6.2543@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > jtaylor wrote:
> > >
> > > I am no expert on the Coriolis effect, but if you had the earth in space
> as
> > > it is, rotating relative to the sun, and then suddenly, by some magical
> > > means, removed EVERYTHING but the earth from the universe, would the
> > > Coriolis effect still be observed?
> >
> > Let's ask Ernst Mach.
>
> You've anticipated me - over in sci.physics, one Sam Wormley replied as
> follows:
>
> jtaylor wrote:
> > "Sam Wormley" <swormley1@xxxxxxxxx> wrote in message
> > news:Xcfue.78728$x96.61522@xxxxxxxxxxxx
> >
> >>jtaylor wrote:
> >>
> >>
> >>>>I am no expert on the Coriolis effect, but if you had the earth in space
> >
> > as
> >
> >>>>it is, rotating relative to the sun, and then suddenly, by some magical
> >>>>means, removed EVERYTHING but the earth from the universe, would the
> >>>>Coriolis effect still be observed?
> >>>>
> >>
> >> Not according to Mach's Principle
> >> http://scienceworld.wolfram.com/physics/MachsPrinciple.html
> >>
> >> The Earth rotates with respect to something... if there is no
> >> something, rotation is meaningless.
> >>
> >
> >
> > Ok, how about this, then.
> >
> > Everything but the earth and one other object is removed from the
> universe.
> > This other object is
> >
> > a) extremely small;
> > b) some incredible distance away; but
> > c) visible to an earth-bound observer.
> >
> > He/she/it thinks the earth is rotating relative to this other object.
> Does
> > the Coriolis effect exist in this situation?
> >
> > I thin what I'm really asking is: does the Coriolis effect depend on a
> > gravitational interaction between the earth and the rest of space, and if
> > that space is empty, would the earth still distort space so as to allow
> the
> > effect to occur?
> >
> >
>
> Yes, but proportionally smaller effect... compared to the whole of
> universe.

All experiments done with Foucault's pendulum and the Earth's
independent axial rotation at 24 hours/360 degrees because no other
value will make sense except to cataloguers and theorists like
yourself.

The Earth's differential rotation in the mantle generating the
Equatorial bulge is waiting for men who can limk the atronomical
motions of the Earth with both the Equatorial bulge and as a way to
replace convection cells as a mechanism for crustal motion.An
astronomer draws the analogy of differential rotation from the Sun or
other planets -

http://www.astronomynotes.com/starsun/sun-rotation.gif


http://www.phys-astro.sonoma.edu/people/students/baker/SouthPoleFoucault.html

I see a lot of Newtonian/relativistic thumbsucking going on and I am
quite delighted that you have brought so much material up and how it
all depends on two motions and orientation of the Earth on its axis and
around the Sun.

I forgot that you are simpleminded and here is an article on Foucault's
pendulum -

http://www.hrw.com/science/si-science/physical/motion/pendulum/pendulum.html

.

Relevant Pages

  • Re: PLATE MAPS OF THE PAST
    ... > this 'torsion' and a foundation for an expanding earth is as far fetched as ... If the ordinary Newtonian laws of motion of bodies are to be used in ... The Coriolis effect is most apparent in the path of an object moving ... in which it is a controlling factor in the directions of rotation of sunspots. ...
    (sci.geo.geology)
  • Re: PLATE MAPS OF THE PAST
    ... He apparently thinks that the coriolis effect is somehow ... If the ordinary Newtonian laws of motion of bodies are to be used in ... Newton erroneously thought that the Earth orbiting the Sun was the ... difference being that he thought the Sun had no rotation while the ...
    (sci.geo.geology)
  • Re: PLATE MAPS OF THE PAST
    ... He apparently thinks that the coriolis effect is ... If the ordinary Newtonian laws of motion of bodies are to be ... > direction of body motion for counterclockwise rotation of the reference ... On the Earth an object that moves along a north-south ...
    (sci.geo.geology)
  • Re: accruate "sundials"
    ... > jtaylor wrote: ... >> I am no expert on the Coriolis effect, but if you had the earth in space ... >> means, removed EVERYTHING but the earth from the universe, would the ...
    (sci.astro.amateur)
  • Re: Coriolis effect question (fwd from sci.astro.amateur)
    ... > range shell, a long range earth to earth missile, a ballistic missile, ... The Coriolis effect is not fictional. ...
    (sci.physics.relativity)