ravibg
Junior Member level 1
I have this question eating my head.Will there be any change in the behaviour of electonic instruments,if there was some kind of techtonic activity and earths magnetic axis were to change.
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pisoiu said:The magnetic poles of the Earth are changing right now. Taking into consideration all known history of Earth (regarding this matter, of course), the magnetic poles are changing periodically, and the average calculated period between two inversions is around 200.000 years. Guess what, the last change was 700.000 years ago. A magnetic poles inversion begins with a chaotic and strange behavior of all magnetic field, and first steps are a decreasing in the fiend intensity. Considering the measurements done over last approx. 300 years, the field intensity dropped with 10%. When the process of inversion is at its peak, more than two magnetic poles, perhaps over 6 can walk around the surface of Earths, and a aurora borealis seen over the Paris for example, may not be such an unusual event. The whole inversion process appears to take approx. 1000 years.
/pisoiu
cherrytart said:But if not, then let them roam! We don't need no stinking magnetic field to tell us where north is. Lets command magnetic north to pass through Mecca, so Muslims world wide can find it with just a compass.
pisoiu said:It is assumed that Mars had somewhere in the past its own athmosphere, but due to lack of magnetic field, the atmosphere was slowly blowed into the space by the solar winds.