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Oké ifufe na-eme ka mmiri ghara ịdị
From Wikipedia, the free encyclopedia
Oké ifufe geomagnetic, nke a makwaara dị ka oké ifufe magnetik, bụ ọgba aghara na-adịru nwa oge nke magnetosphere Ụwa nke ikuku ifufe na-ama jijiji na/ma ọ bụ ígwé ojii nke oghere magnetik na-emekọrịta ihe na mbara ala magnet.
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Ọgba aghara nke na-ebute oké ifufe magnetik nwere ike ịbụ ikuku coronal mass ejection (CME) ma ọ bụ (nke na-adịchaghị njọ) mpaghara mmekọrịta na-agbanwe agbanwe (CIR), iyi ikuku anyanwụ na-agba ọsọ na-esite na oghere coronal. Ugboro oke ifufe geomagnetic na-abawanye ma na-ebelata site na okirikiri anyanwụspot. N'oge oke anyanwụ, oke ifufe geomagnetic na-emekarị, nke CME na-ebute ihe ka ukwuu.
Mmụba nke ikuku ikuku nke anyanwụ na-akpakọba magnetosphere na mbụ. Ebe ndọta ikuku nke anyanwụ na-emekọrịta ihe na mpaghara ndọta ụwa ma na-ebufe ike na-abawanye n'ime magnetosphere. Mmekọrịta abụọ a na-ebute mmụba nke mmegharị plasma site na magnetosphere (nke ọkụ eletrik na-abawanye n'ime magnetosphere) na mmụba nke ọkụ eletrik na magnetosphere na ionosphere. N'ime oge isi nke oke ifufe geomagnetic, ọkụ eletrik dị na magnetosphere na-emepụta ike ndọta nke na-ewepụ oke n'etiti magnetosphere na ifufe anyanwụ.
Ọtụtụ ihe omume ihu igwe na-ejikọta ya na ma ọ bụ kpatara oke ifufe geomagnetic. Ndị a na-agụnye mmemme ike anyanwụ (SEP), ikuku geomagnetically induced (GIC), oké ifufe ionospheric na ọgba aghara ya na-akpata redio na radar scintillation, nkwụsị nke igodo site na kompas magnetik na ihe ngosi auroral na latitudes dị ala karịa nke nkịtị.
Oké ifufe geomagnetic kasị ukwuu edekọrọ, ihe omume Carrington na Septemba 1859, wedara akụkụ nke netwọkụ telifon US mebere nso nso a, na-amalite ọkụ na ndị na-arụ ọrụ telegraph na-awụ akpata oyi n'ahụ. N'afọ 1989, oké ifufe geomagnetic mere ka ala nwee ike kpata ike nkesa ọkụ eletrik n'ime ọtụtụ Quebec wee kpatara aurorae ruo ndịda Texas.