-magnetic aetherial currents constantly circulating round them).
So that the Aether will actually possess two motions: 1st, a radial
motion due to the Aether waves generated by the sun, which are radiated
out into space with the velocity of light; and 2nd, a circular or
rotatory motion. This result is in perfect harmony with our hypothesis
as to the cause of the electro-magnetism of the sun (Art. 91, where we
saw that solar magnetism was due to electric currents circulating round
the various planets), and we have proved that the Aether has an
electro-magnetic basis; thus the rotatory Aether currents and the
rotatory electro-magnetic currents are due to one and the same medium.

Now what will be the effect of these circular or rotatory Aether
currents on the bodies situated within their field? It must be
remembered that we are no longer dealing with a frictionless medium, but
with a medium which possesses inertia and kinetic energy the same as any
other moving matter. Therefore, as soon as it is set in motion, it will
impress its motions upon all planets that come under its control and
influence, with the result that as the impressed force is ever directed
in a circular form, the planet will be pushed along through space by the
moving Aether, and the path it describes will be circular also.

Thus the actual result of the rotatory electro-magnetic Aether currents
will be, that all dependent and associated planets under their influence
will be carried by them around the central body which generates the
Aether currents. So that they will literally and truly have an orbit,
and the circle they describe will be, in its size and circumference,
regulated by the mean distance of each planet, which mean distance will
form the radius of the circular orbit.

Further, as we shall see later, if the sun were always stationary, and
had no orbital motion of its own, then the orbit of each planet would
always be circular, each planet always occupying its mean distance from
the sun, because at that mean distance the centripetal and centrifugal
forces are equal.

That the actual path of any planet is a circle has been proved by Sir W.
R. Hamilton. Tait, in his _Natural Philosophy_, on this point writes
(Art. 38): "The Hodograph for the motion of a planet or comet is always
a circle, whatever be the form and dimensions of the orbit." This path
has been termed the Hodograph. So that we have in the circling
electro-magnetic Aether currents