The North Pole Is The South Pole: Communication Breakdown, page 1


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Topic started on 8-6-2011 @ 12:02 PM by rstregooski
Magnetically speaking, anyway...

Came across this interesting note in a lecture today.. I've done a fair amount of research concerning magnetics, somehow this just slipped by me..

Earth's North Magnetic Pole is actually the south pole of the magnetic field.




A link..


At least in consideration of a dipole, or a magnetic bar, the field points to the north magnetic pole, which in the case of this planet is technically the geographic south pole as we know it..

This leads me to think, who in history identified the geographic "north pole" as north? I mean solar-system-wise, it's a 50-50 shot, right? Maybe I'm missing something, or perhaps this is more of a philosophical question..

Good day.
edit on 8-6-2011 by rstregooski because: content



reply posted on 8-6-2011 @ 03:12 PM by new_here
reply to post by Phage

So, when we look at the magnetosphere simulation animation, are the magnetic lines emanating from what we call the "South Pole" ? And does that mean that this area of the Earth is the 'leading edge' as we whoosh around the Sun spinning on our axis? (It would seem so, based on what you and the OP have shared, plus the visual simulation of the impact of Solar winds.) If true, it is a true paradigm shift for me!

,


reply posted on 8-6-2011 @ 03:33 PM by rstregooski
Originally posted by new_here
reply to
post by Phage

So, when we look at the magnetosphere simulation animation, are the magnetic lines emanating from what we call the "South Pole" ? And does that mean that this area of the Earth is the 'leading edge' as we whoosh around the Sun spinning on our axis? (It would seem so, based on what you and the OP have shared, plus the visual simulation of the impact of Solar winds.) If true, it is a true paradigm shift for me!


This is probably a better visualization...




reply posted on 8-6-2011 @ 03:39 PM by Phage
reply to post by CLPrime



Yes, but...

Why did magnetic poles get defined opposite geographic poles. It would seem to be arbitrary. Electromagnetic north could have just as well been named south. Instead they just had to go and confuse everyone.


reply posted on 8-6-2011 @ 03:40 PM by CLPrime
reply to post by rstregooski



That image (and the compasses it shows) reminds me of another interesting bit of information.
Opposites attract, so, in the case of a compass, the north pole of the compass magnet aligns with the southern geomagnetic pole of the Earth...which, due to the mix-up in the naming of the poles, happens to be the north geographic pole. So, north on the compass is, in fact, north on the map.



reply posted on 8-6-2011 @ 03:41 PM by CLPrime
reply to post by Phage



What I just posted, above, may actually be the cause of that.


reply posted on 8-6-2011 @ 03:48 PM by new_here
reply to post by rstregooski

Thank you, I understood that part. My question is, on the Magnetosphere simulation: link does the blue represent Magnetic North or the red? If blue, then it is Geographic South, and our Earth is situated in space polar opposite (pun intended!) from what I always 'knew' to be true (relative to all other spheres in our Solar System.) That is to say, we are upside down, so to speak.


reply posted on 8-6-2011 @ 03:55 PM by new_here
reply to post by CLPrime

Ah, well sorry, I won't bother with such silly questions then.


reply posted on 8-6-2011 @ 04:00 PM by Thepreye
Originally posted by new_here
reply to
post by CLPrime

Ah, well sorry, I won't bother with such silly questions then.



Don't worry about that, I'm happily slipstreaming your questions in my quest for knowledge


reply posted on 8-6-2011 @ 04:04 PM by CLPrime
reply to post by new_here



It wasn't a silly question. My answer may have been a bit short. In fact, I can safely say it was.
The south geomagnetic pole is, in fact, physically in the north. So, at least electromagnetically, the Earth is upside-down.


reply posted on 8-6-2011 @ 04:06 PM by Phage
reply to post by CLPrime


Well sure. Now it is. But 750,000 years ago it wasn't.


reply posted on 8-6-2011 @ 04:09 PM by rstregooski
Originally posted by new_here
reply to
post by rstregooski

Thank you, I understood that part. My question is, on the Magnetosphere simulation: link does the blue represent Magnetic North or the red? If blue, then it is Geographic South, and our Earth is situated in space polar opposite (pun intended!) from what I always 'knew' to be true (relative to all other spheres in our Solar System.) That is to say, we are upside down, so to speak.



I don't quite know about that simulation link. I tend to check it every once in a while and I've seen that simulation so cross-tied it's not even funny. I know that in general the field points in the direction of the magnetic north, which in this case is south? This business is confusing..
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