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http://www.jpl.nasa.gov/videos/stars/index.html
The generalised dynamics which cause a star to deviate from a perfect sphere may also be applied to the Earth's molten,flexible and rotating interior. The correlation between Equatorial speed and deviation from a perfect sphere relies on the dynamics of differential rotation where the composition does not rotate as a single unit but reduces unevenly from Equator to pole - http://www.lcsd.gov.hk/CE/Museum/Spa...s/rotation.gif The generalised dynamics are that for a given composition and viscosity,the greater the difference between Equatorial speed reducing to zero at the poles the greater the deviation from a perfect sphere. The same generalised principles can be applied to the Earth's interior with the added insight that differential rotation supplies the mechanism which generates the ridges and causes the crust to evolve and move. |
#2
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Oriel36,
Thanks for this useful information. For a while, I was worried that you got lost in the Spooge Flood, or maybe you created the Spooge Flood? Nevertheless, it is good to see that you are back and are posting again here in SAA. Welcome Back! "oriel36" wrote in message ups.com... http://www.jpl.nasa.gov/videos/stars/index.html The generalised dynamics which cause a star to deviate from a perfect sphere may also be applied to the Earth's molten,flexible and rotating interior. The correlation between Equatorial speed and deviation from a perfect sphere relies on the dynamics of differential rotation where the composition does not rotate as a single unit but reduces unevenly from Equator to pole - http://www.lcsd.gov.hk/CE/Museum/Spa...s/rotation.gif The generalised dynamics are that for a given composition and viscosity,the greater the difference between Equatorial speed reducing to zero at the poles the greater the deviation from a perfect sphere. The same generalised principles can be applied to the Earth's interior with the added insight that differential rotation supplies the mechanism which generates the ridges and causes the crust to evolve and move. |
#3
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"Jim Dubya" wrote in message
... Oriel36, Thanks for this useful information. For a while, I was worried that you got lost in the Spooge Flood, or maybe you created the Spooge Flood? Nevertheless, it is good to see that you are back and are posting again here in SAA. Welcome Back! You're joking, right? |
#4
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On Aug 30, 6:24 pm, "Jim Dubya" wrote:
Oriel36, Thanks for this useful information. For a while, I was worried that you got lost in the Spooge Flood, or maybe you created the Spooge Flood? Nevertheless, it is good to see that you are back and are posting again here in SAA. Welcome Back! "oriel36" wrote in message ups.com... http://www.jpl.nasa.gov/videos/stars/index.html The generalised dynamics which cause a star to deviate from a perfect sphere may also be applied to the Earth's molten,flexible and rotating interior. The correlation between Equatorial speed and deviation from a perfect sphere relies on the dynamics of differential rotation where the composition does not rotate as a single unit but reduces unevenly from Equator to pole - http://www.lcsd.gov.hk/CE/Museum/Spa...e/Universe/fra... The generalised dynamics are that for a given composition and viscosity,the greater the difference between Equatorial speed reducing to zero at the poles the greater the deviation from a perfect sphere. The same generalised principles can be applied to the Earth's interior with the added insight that differential rotation supplies the mechanism which generates the ridges and causes the crust to evolve and move.- Hide quoted text - - Show quoted text - Thank you, If the generalised dynamics can be applied to the Earth's interior it would provide a more satisfactory mechanism for crustal motion and evolution than 'convection cells' insofar as differential rotation becomes a common mechanism that binds the planet's shape with crustal motion. Researchers already know the correlation and I believe they will eventually apply it to the Earth's interior dynamics as a matter of course. |
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Jim Dubya wrote:
Oriel36, Thanks for this useful information. For a while, I was worried that you got lost in the Spooge Flood, or maybe you created the Spooge Flood? Nevertheless, it is good to see that you are back and are posting again here in SAA. Welcome Back! For posting this nut's text in full you ought to get the PLONK. -- Greg Crinklaw Astronomical Software Developer Cloudcroft, New Mexico, USA (33N, 106W, 2700m) SkyTools: http://www.skyhound.com/cs.html Observing: http://www.skyhound.com/sh/skyhound.html Comets: http://comets.skyhound.com To reply take out your eye |
#6
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![]() "Greg Crinklaw" wrote in message ... Jim Dubya wrote: Oriel36, Thanks for this useful information. For a while, I was worried that you got lost in the Spooge Flood, or maybe you created the Spooge Flood? Nevertheless, it is good to see that you are back and are posting again here in SAA. Welcome Back! For posting this nut's text in full you ought to get the PLONK. -- Greg Crinklaw Astronomical Software Developer Cloudcroft, New Mexico, USA (33N, 106W, 2700m) SkyTools: http://www.skyhound.com/cs.html Observing: http://www.skyhound.com/sh/skyhound.html Comets: http://comets.skyhound.com To reply take out your eye It is not a "nut"; it is a "bot" or "software program" and a rather entertaining one at that! :-) It is most likely an Software Engineering AI experiment gone bad and the student should get a failing grade. Nevertheless, it is entertaining and that's all that counts. |
#7
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On Aug 31, 5:30 am, "Jim Dubya" wrote:
"Greg Crinklaw" wrote in message ... Jim Dubya wrote: Oriel36, Thanks for this useful information. For a while, I was worried that you got lost in the Spooge Flood, or maybe you created the Spooge Flood? Nevertheless, it is good to see that you are back and are posting again here in SAA. Welcome Back! For posting this nut's text in full you ought to get the PLONK. -- Greg Crinklaw Astronomical Software Developer Cloudcroft, New Mexico, USA (33N, 106W, 2700m) SkyTools: http://www.skyhound.com/cs.html Observing:http://www.skyhound.com/sh/skyhound.html Comets: http://comets.skyhound.com To reply take out your eye It is not a "nut"; it is a "bot" or "software program" and a rather entertaining one at that! :-) It is most likely an Software Engineering AI experiment gone bad and the student should get a failing grade. Nevertheless, it is entertaining and that's all that counts.- Hide quoted text - - Show quoted text - http://www.jpl.nasa.gov/videos/stars/index.html Anyone who enjoys the video of stellar comparisons in shape would enjoy applying the same dynamics to the Earth's interior and its shape,the correlation being due to the uneven or differential rotation between Equatorial and polar regions in the molten,flexible and viscous interior. God forbid any of you know the horror of seeing the enjoyable correlation ignored because I proposed it and especially because differential rotation also provides a more productive dynamic for crustal motion than 'convection cells'. Contemporary 'astronomy' is like a pyramid perched on its apex,a highly unstable entity and all based on a single error created by Flamsteed,I do not fault the man beyond he was seeking terrestrial longitudes via the Ra/Dec method nevertheless the conceptual monsters built on the error now surface as the inability to make the neccessary correlations between astronomy,geology and climatology. You do not like what I said about the generalised dynamics as it applies to the Earth's interior and there is nothing I can do about and that is fine but is it now a requirement to make some silly statement when silence is good enough of an insult. |
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