Naked Science Forum
On the Lighter Side => New Theories => Topic started by: Dave Lev on 02/12/2023 18:03:09
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Can we explain the Earth axis rotation shift with regards to the right angel to orbit and the axis of magnetic?
Please look at the following image:
(https://planetearth2017.files.wordpress.com/2012/05/figure-10-axial-tilt-of-the-earth4.png)
That image was an enigma for me.
The first question that I asked myself was:
Why the axis rotation of Earth is not fully parallel with the right angel to orbit?
Why it is tilted at 23.5 degrees, exhibits approximate axial parallelism, maintaining its direction towards Polaris (the "North Star") year-round?
Just few days ago I thought that the spinning Earth should be considered as a gyro.
When I looked at the web, I have found several articles that support this idea:
https://physics.stackexchange.com/questions/503159/is-the-earth-a-gyro
"A spinning celestial body can indeed be considered to be a gyroscope."
In the following article it is stated:
https://www.sciencedirect.com/topics/engineering/gyroscopic-torque
"A gyroscopic torque will result if the axis of the flywheel is rotated and it acts perpendicular to the rotor axis. The magnitude of the torque is the product of the flywheel rotor moment of inertia,"
Therefore, the Earth torque will result as the axis of the Earth is rotated and it acts perpendicular to the rotor axis.
This can explain the Earth axis rotation shift with regards to the right angel to orbit.
However, the torque must be there constantly.
Please see the following video clip starting 48 min:
Therefore, as the Earth orbits around the sun its axis rotation shouldn't stop at 23.5, but it should constantly drift and eventually flip again and again.
However, this is clearly not the case.
We see that the Earth's axial is almost parallelism over quite long time.
(https://en.m.wikipedia.org/wiki/Axial_parallelism#/media/File%3AEarth_tilt_animation.gif)
So, what kind of force is there which keeps the Earth axis rotation at about 23.5 for relatively long time?
With regards to the axis of magnetic:
Why it isn't symmetrical?
Why at the north pole the axis of magnetic is located between the right angle to orbit (13.5 degree) to the Earth axis rotation (10 degree) and not fully parallel with the Earth axis rotation while it the south pole it is almost parallel to the right angle to orbit?
In the following article the answer is as follow:
https://www.wtamu.edu/~cbaird/sq/2013/11/15/why-does-a-magnetic-compass-point-to-the-geographic-north-pole/
"Earth's geographic and magnetic poles are not exactly aligned because they arise from different mechanisms. Earth's magnetic field is caused by circulating currents of liquid iron in the outer core. Furthermore, earth's magnetic poles are constantly changing location relative to earth's geographic poles. "
However, just to claim that "they arise from different mechanisms" doesn't give an answer why the axis of magnetic at the north pole is located in between the right angle to orbit to the Earth axis rotation.
Even in the following video clip about the Spinning Sphere of Molten Sodium there is no answer for this question:
Therefore, do you agree that the axis of magnetic isn't symmetrical and is located at the north pole in that specific location between the right angle to orbit (13.5 degree) to the Earth axis rotation (10 degree) must be due to clear scientific explanation and not just due to random activity?
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Why the axis rotation of Earth is not fully parallel with the right angel to orbit?
Because there's no reason for it to be in any particular orientation. If the planet was formed by accretion then the resultant spin would depend on where the bits came from.
Why it is tilted at 23.5 degrees, exhibits approximate axial parallelism, maintaining its direction towards Polaris (the "North Star") year-round?
Given that the spinning earth has considerable angular momentum, its axis will always point in pretty much the same direction. As there are lots of stars, all a very long way away, it's quite likely that the axis will point at one of them. The surprise is that there isn't a particularly bright star aligned with the south pole, but it's all just a matter of chance.
Magnetic north wanders about continuously and occasionally reverses entirely. It's probably linked in some way to the overall angular momentum of the planet but seems to be generated by an entirely independent and slightly random process.
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So, what kind of force is there which keeps the Earth axis rotation at about 23.5 for relatively long time?
You don't need a force to keep it constant.
The conservation of angular momentum does that.
On the other hand, the earth's motion is complicated.
https://en.wikipedia.org/wiki/Axial_precession
Try learning physics, then you might understand it.
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I told you not to make any more threads about magnetic fields:
Dave, we have already been through the whole "solid core" with magnets in your previous thread about the Sun. I gave you three chances to back up your claim with a reputable source three times and you failed. That got the thread locked. Since you are bringing up incorrect material from a locked thread, that means you are circumventing a thread lock. That means it's time to lock this thread as well. Since you have a track record of pushing incorrect notions about tidal forces and magnetic fields, let's add those to the list of forbidden topics (along with the quasars, black holes and Theory D).
In your previous thread, you tried to circumvent a thread lock and in this thread you ignored my warning about magnetism. Combining that with the fact that so many of your other threads have gotten locked for your general repetition of false things or other reasons, I believe I can make a good case for finally banning you.