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#1
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Is there a zone in which the various planets orbiting the sun all come
much nearer to the sun than in the remainder of their respective orbits? If so, is that the zone in which they are all orbiting fastest? If so, is that zone between the sun and is most pushy neighbours? Peter Kinane http://www.effectuationism.com/ |
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#2
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"Peter Kinane" wrote in message om... Is there a zone in which the various planets orbiting the sun all come much nearer to the sun than in the remainder of their respective orbits? If so, is that the zone in which they are all orbiting fastest? If so, is that zone between the sun and is most pushy neighbours? Moron Franz |
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#3
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Peter Kinane wrote:
Is there a zone in which the various planets orbiting the sun all come much nearer to the sun than in the remainder of their respective orbits? Newton figured out that bodies falling under the influence of a central force, gravity, such as planets falling around the Sun or projectiles on, or around, the Earth follow the curves of conic sections. Orbital Elements http://scienceworld.wolfram.com/phys...lElements.html Celestial Mechanics http://scienceworld.wolfram.com/phys...Mechanics.html Isaac Newton lived in a time when technology was VERY limited compared to the twentieth century and had much less data to work with... I am still in awe of his developing calculus and realizing that bodies under the influence of a central force follow conic section curves. Suggestions: o "Newton's Principia for the Common Reader" by S. Chandrasekhar (1995) Clarendon Press . Oxford ISBN 0 19 851744 0 o Newton, Isaac "The Principia: Mathematical Principles of Natural Philosophy" Trans. I. Bernard Cohen and Anne Whitman, with the assistance of Julia Budenz (University of California Press: Berkeley, 1999) |
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#4
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Note: When I was posting on the subject of "Time", the points oozed
Effectuationist principles. This "gravity" matter, in contrast, does not seem to feature any such principles, and so I am far less confident of the weight of the views. Further to drafting this post, apart from this sentence, I have gone on-line, and based on my understanding of the two co-operative replies I received to an earlier post - thanks to you both - this theory may have no weight - nonetheless, at this stage, I might as well let it fly. The Earth 'spins' at approx. 1,030 m/p/h (miles per hour) at the equator ... Let's assume a Big Bang splashing material outward into freer-space in somewhat different concentrations, because of the type of collision through which it occurs or the type of explosion it is, thereby creating galaxies. Within these secondary (second generation) explosions occur, and perhaps, too, third generations develop. Within these different generations, suns and solar systems with planets develop. But the speeds of motion of these subsequent generations would, perhaps, be faster than the immediately preceding one. (Explosions, presumably, would speed things up, and collisions slow things down). Any acceleration of speed of material within systems would gradually dissipate through being acted upon by slower neighbours. Also, through splashing- -exploding apart, out into freer-space, in somewhat different concentrations, (at least some of) the material, would be coming out in the shape of an arc, unless sustaining secondary action. I presume all continuous arcs in free-space, unless acted upon, end up as circles. So, these 'arcs', caused by pressure which is decreasing, would almost become circles. Up to this stage, and continuing, the systems are acting on each other. The suns in their turn, or some of them, would get their rotation through the pressure of their immediate neighbours moving outwards - the most immediate inner ones generally being the strongest neighbours. This interactive movement outwards of the chambers causes the chambers to rotate. As well as being pushy, let's think of these chambers as spongy. Such a rotating, spongy chamber, from the sun at the centre to the periphery, would be one spinning system. An explosion of a sun or nucleus, within the pressure chamber of the tension of itself and its neighbours, sends materials outward in the chamber. The system- -sponge would impact more, or better catch, the 'heavier' material issuing, and so the 'heavier' materials would end up shorter distances from the sun. The explosion would also have some impact on the paths, etc., of the neighbours. The sun and the material scattered by the sun within the chamber is a solar system or world - a spinning- -revolving chamber of pressure, driven by the spongy neighbours, pushing outwards and, as they do so, increasing their circumferences. The various weight materials, having been thrown out their respective distances from the sun, and been caught by the spongy environment also revolve - somewhat as rings. Each ring should retain its position from the sun, unless sustaining novel action. However, the material in such 'rings', in the early stages colliding a good deal as it settled and so slowing down, would tend to pile up in their respective orbits. When the various materials settled as planets, and, carried in the spongy environment of a system which is slightly increasing its circumference, they would tend to lag to the periphery of the system - to outward of orbit - in effect anti-sunwise (anti-clockwise), and this would be their spin direction. In their slip stream, lesser bodies- -neighbours might spin in the opposite direction. The speed of orbit of each respective planet would, presumably, be influenced by the 'weight', or catchiness, of its material, by its volume, by its distance from the axis- -sun of the system, and by any possible moons, etc. Perhaps it would be further influenced by its position along its orbit, as, for example, when passing through the squeeze area with the most pushy neighbours of the system. If so, this should change the rate of spin - which presumably does not happen. Likewise, in the most spacious- -free position along its orbit. So, does the rate of orbit (and consequently of spin) vary? What frame of reference (FOR) should apply if measuring such rate: Presumably, if the rate of spin is constant then so is the rate of orbit. Consequently, it would be incorrect to think of the rate of orbit _in relation to the sun_. Rather, what catches the attention - the event - would be the fluctuation along the radius from the sun - in accordance with whether the planet was in a squeeze or a freer area; in accordance with whether the planet was in an area of the sponge which was being compressed or expanding. This leaves the matter of the term "weight" ... Peter Kinane http://www.effectuationism.com/ |
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#5
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Due to the situation of the post, I should say that the "thank you"
was intended for tadchem and Sam Wormley. |
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#6
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"Peter Kinane" wrote in message om... Is there a zone in which the various planets orbiting the sun all come much nearer to the sun than in the remainder of their respective orbits? Short answer: No. Long answer: The point at which the orbit of a planet comes closest to the sun is called the perihelion. Its location is identified by a heliocentric (sun-centered) longitude. Each planet has a distinct longitude of its perihelion, given as omega in the first table of the following page: http://www.cilea.it/~bottoni/javascr...ianeti-jpl.htm Examination of the second table shows an entry for omega as well. This table includes "centennial rates" - the amount of change in the corresponding parameter per hundred years. The rate given for earth, for example, is -18228.25 arc-seconds per hundred years. There are 1,296,000 arc-seconds (360*60*60) in a circle, so it takes 1296000/(-18228.25) = 71.098 centuries for earth's perihelion to move in a complete circle around the sun. You will observe that the perihelions for the other planets are at different longitudes, and move at different rates. If so, is that the zone in which they are all orbiting fastest? Kepler's Laws imply that each planet is moving fastest when it is closest to the sun. If so, is that zone between the sun and is most pushy neighbours? The sun's nearest "neighbor" is the star system Proxima Centauri, about 4.3 light-years (about 4.13 * 10^13 km), about 7000 times as far away from Sol as Pluto (5.95*10^9 km). The direction to Proxima Centauri is roughly "south" and well out of the plane (the ecliptic) in which the planets orbit. Tom Davidson Richmond, VA |
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#7
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"Peter Kinane" wrote in message om... Is there a zone in which the various planets orbiting the sun all come much nearer to the sun than in the remainder of their respective orbits? Yes, if by "sun" you mean another star. Algol demonstrates a period of circa 70 hours. If you mean our own sun, Pluto crosses the orbit (comes closer than) Neptune. I don't understand "much". Go to http://www.bbc.co.uk/science/space/p...w/jigsaw.shtml and play the game. If so, is that the zone in which they are all orbiting fastest? Don't know what you mean by "all". Pluto, when nearer to the sun than Neptune is, is in the fastest part of its orbit. If so, is that zone between the sun and is most pushy neighbours? Peter Kinane http://www.effectuationism.com/ 'Pushy' is not understood. Androcles |
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#8
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#9
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wrote in message om... (Peter Kinane) wrote in message . com... Is there a zone in which the various planets orbiting the sun all come much nearer to the sun than in the remainder of their respective orbits? No. The perihelion of each planet precesses at a different rate. After a few million years, each planet will have it's perihelion at a very different place from where it is now, and from where it was relative to the perihelions of the other planets. Socks Remarkable insight, Socks. Well done. Androcles |
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#10
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Peter Kinane wrote:
Is there a zone in which the various planets orbiting the sun all come much nearer to the sun than in the remainder of their respective orbits? [snip] If empirical reality tells you that you are a jackass, you are an empirical jackass. Look at an orrery - assuming it doesn't explode your brain through your inch-thick skull. Or if it does. -- Uncle Al http://www.mazepath.com/uncleal/qz.pdf http://www.mazepath.com/uncleal/eotvos.htm (Do something naughty to physics) |
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