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Science Forum Index » Geology Forum » Solid body magnetic fields
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| Crown-Horned Snorkack |
 Posted: Thu Mar 13, 2008 7:13 am |
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What are solid body magnetic fields like and what CAN they be like?
The geomagnetic field is known to have reversed sometimes.
How long does a geomagnetic reversal last? And what is the magnetic
field like while a geomagnetic reversal is in progress?
There is no selenomagnetic field - but there is remanent
magnetization. Was there a selenomagnetic field once upon a time?
There is no areomagnetic field, either. But there is the banded
pattern of remanent magnetization. Did the areomagnetic field undergo
reversals?
There is no cytheromagnetic field. Is there any remanent magnetization
of Venus?
Does the hermeomagnetic field have any variability? Do hermeomagnetic
reversals occur?
What about the ganymedeomagnetic field? |
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| Remus Shepherd |
| Posted: Thu Mar 13, 2008 8:51 am |
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In rec.arts.sf.science Crown-Horned Snorkack <chornedsnorkack@hush.ai> wrote:
Quote: What are solid body magnetic fields like and what CAN they be like?
The geomagnetic field is known to have reversed sometimes.
How long does a geomagnetic reversal last? And what is the magnetic
field like while a geomagnetic reversal is in progress?
There are some images, and an animation, here:
http://www.psc.edu/science/glatzmaier.html
The entire reversal takes about 1200 years in their simulation. During
that time there are a lot of local magnetic norths and souths wandering
all over the globe.
.... ...
Remus Shepherd <remus@panix.com>
Journal: http://www.livejournal.com/users/remus_shepherd/
Comic: http://indepos.comicgenesis.com/ |
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| Jean |
| Posted: Thu Mar 13, 2008 12:40 pm |
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Crown-Horned Snorkack a écrit dans le message ...
Quote: What are solid body magnetic fields like and what CAN they be like?
The geomagnetic field is known to have reversed sometimes.
How long does a geomagnetic reversal last? And what is the magnetic
field like while a geomagnetic reversal is in progress?
There is no selenomagnetic field - but there is remanent
magnetization. Was there a selenomagnetic field once upon a time?
There is no areomagnetic field, either. But there is the banded
pattern of remanent magnetization. Did the areomagnetic field undergo
reversals?
There is no cytheromagnetic field. Is there any remanent magnetization
of Venus?
Does the hermeomagnetic field have any variability? Do hermeomagnetic
reversals occur?
What about the ganymedeomagnetic field?
You wouldn't happen to be a Dr. Who fan? |
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| Darwin123 |
| Posted: Mon Mar 17, 2008 4:22 pm |
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On Mar 13, 1:40 pm, "Jean" <jean.len...@wanadoo.fr> wrote:
Quote: Crown-Horned Snorkack a écrit dans le message ...
You wouldn't happen to be a Dr. Who fan?
Which incarnation of the Doctor do you think he is getting these
from?
In any case, I am glad he didn't mention the pyramids and the
razors. |
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