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Magnetic Pole: Ma inversion pole waa suurto gal?
ulaha magnetic dhulka - qayb ka mid ah caalamka beerta geomagnetic dhaca sabab u ah dhaqdhaqaaqa socodka bir la shubay iyo nickel agagaarka xudunta u adag dhexe ay sabab u tahay hadda in ionosphere ah, cillado degaanka qolof ah . iyo ulo kale magnetic dhibcood oo aqoonsaday beerta Geomagnetic under xaglo xaq u leedahay in dusha sare ee caalamka. Guud ahaan waxaa jira labo ulaha - woqooyi iyo koonfur, oo aan antipodal sabab u kaqabto oo duurka.
pole magnetic ee u Safra waqooyiga in ay nuxurka waa koonfurta ah, maxaa yeelay, Waa meeshii khadadka duurka ku hoos dusha ka tago. A "run" Cidhifka Waqooyi waa koonfurta, halkaas oo khadka ka hoos dusha ka baxay.
Waxaa la malaysan in jiritaanka ulaha magnetic Dadka ogyahay muddo dheer. Horeba 220 BC ee Shiinaha ayaa la sameeyey by image ugu horeeyay ee ku wareegsan, oo la yidhaahdo "miiska jannada." Waxay ka koobnayd qaado yar qoqobada taarikada dhexe oo naxaas ah. The wadataa saxda ah ee meesha woqooyi iyo ulo koonfurta magnetic dhulka, ayaa lagu rakibay ee soddon jirka iyo afartameeyaha qarnigii XIX ah. In 1831, walaalaha Ross go'aamisay in pole woqooyi waa at 70 degrees 5 daqiiqo loolka waqooyiga iyo 96 darajo 46 daqiiqo galbeed dhigaha. A pole koonfurta magnetic leeyahay wadataa soo socda: 75 darajo 20 daqiiqo loolka koonfurta iyo 132 digrii 20 daqiiqo dhigaha East (aasaasay 1841 sano). Bilowga ee qarnigii XXI ah meesha uu dhibcood, kuwaas oo ay si weyn u bedelay. xagga woqooyi magnetic of dhulka "tagay" cirif ka barta cad 1831 in 1340 km, iyo koonfurta - in 1349 (on goobta ee 1841, siday u kala horreeyaan). dhabbihii of dhibcood aanay ahayn toosan - waxay ka dhigi kartaa iyo ficil celinta.
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