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Planetary spin-orbit attributes in the solar system and their wider implications

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The Sun and most of the planets and the vast majority of their satellites spin on their axes in an anticlockwise direction, as observed from the Northern Hemisphere. Interestingly, the orbital motion of the planets around the Sun and the satellites around the planets is also anticlockwise. Further, the orbital velocity of all planets decreases with the distance from the Sun, the so-called “inverse square law.” The latter clearly implicates the gravitational pull from the Sun. However, since the bodies are not falling into the Sun, there is another force at work; this is probably a counterbalancing centrifugal effect from a “rotational influence” from the Sun. Thus, an orderly motion by all bodies is assured. The closest large moons of the gas giants and the earth's moon display “synchronous rotation” (i.e., the rotation period is the same as the orbital period of these satellites). While the proximity with the mother body assures unimpeded gravitational influence, the proximity alone does not explain the synchronicity. This appears to be a rotational influence from the mother to the satellite. The axial tilt of these satellites is very low (most are less than 1°). Those planets (Venus, Uranus, and Pluto) and the peripheral satellites of the gas giants that have excessive axial tilt, over 90°, display “negative rotation” (axial rotation opposite to that of the majority of the planets and satellites). Many also rotate on their axes very slowly. This aberrant behavior of these bodies appears to be because their intrinsic tendency is to rotate in an anticlockwise fashion. However, since they are essentially tilted upside down, they run afoul of the mother bodies' rotational influence and thus suffer excessive slowing of their rotation. Thus, this “negative” rotation also helps formulate my hypothesis. Taken together, all of the above support a view that, in concert with gravity, the axial spin of bodies has the important function of imparting order in the universe.
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Keywords: Axis; Gravity; Orbit; Polarity; Retrograde; Spinning

Document Type: Research Article

Publication date: 2013-06-08

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  • Physics Essays has been established as an international journal dedicated to theoretical and experimental aspects of fundamental problems in Physics and, generally, to the advancement of basic knowledge of Physics. The Journal's mandate is to publish rigorous and methodological examinations of past, current, and advanced concepts, methods and results in physics research. Physics Essays dedicates itself to the publication of stimulating exploratory, and original papers in a variety of physics disciplines, such as spectroscopy, quantum mechanics, particle physics, electromagnetic theory, astrophysics, space physics, mathematical methods in physics, plasma physics, philosophical aspects of physics, chemical physics, and relativity.
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