Forum Astronomskog Magazina

Astronomske diskusije => Posmatranja => Topic started by: Kizza on July 10, 2014, 05:06:10 pm

Title: I Zemlja "menja" magnetne polove?
Post by: Kizza on July 10, 2014, 05:06:10 pm
Kao što smo ranije pričali o promeni magnetnih polova na Suncu,izgleda da i naša Zemlja reaguje: http://news.discovery.com/earth/earths-magnetic-field-weakening-more-quickly-140709.htm
Title: Re: I Zemlja "menja" magnetne polove?
Post by: kruska on July 10, 2014, 05:22:21 pm
Menja i jacinu i smer. Ponekad i brze nego ocekivano. Nekad oscilacije idu i do 80 km dnevno. Pa poludi kontrola letenja.vise puta za ovih godina. A u globalu se smanjuje magnetno polje odkad se meri unazad stotinjak godina cini mi se.
Title: Re: I Zemlja "menja" magnetne polove?
Post by: Kizza on July 10, 2014, 06:31:43 pm
Evo i kratkog filmčića o zameni polova na Suncu: https://www.youtube.com/watch?v=34gNgaME86Y
Title: Re: I Zemlja "menja" magnetne polove?
Post by: NamMTrip on February 16, 2015, 12:56:14 pm
Can anyone tell me the start time and location? It would be my first venture so not sure how the handicap would work
Title: Re: I Zemlja "menja" magnetne polove?
Post by: Kizza on January 12, 2019, 09:01:18 am
Da li ovo pomeranje polova utiče na klimu: https://www.danas.rs/drustvo/severni-pol-se-pomera-nenormalnom-brzinom/
https://www.dailymail.co.uk/sciencetech/article-6579515/amp/Scientists-warn-Earths-magnetic-North-Pole-begun-moving-erratically-speeds-50km-year.html?fbclid=IwAR0TIlgRrd3Rit0nJmhsAtDGWeJvsoev9fUqtcZkgrkbYiB1kCJf5vYHqZE
Title: Re: I Zemlja "menja" magnetne polove?
Post by: Kizza on February 12, 2019, 10:16:27 am
Kako piše "The Gardian", severni pol je nastavio i malo ubrzao pomeranje ka Sibiru: https://www.theguardian.com/science/audio/2019/feb/08/where-on-earth-is-north-science-weekly-podcast
Title: Re: I Zemlja "menja" magnetne polove?
Post by: Yagodinac on February 12, 2019, 10:41:38 am
Ovo se dešava milijardama godina unazad, faktički magnetni polovi su u konstantnom kruženju nekom malom brzinom, tipa možda par metara godišnje ili slično. Ništa neuobičajeno, Zemlja je geološki gledano živ organizam i strujanje magme u kombinaciji sa rotacijom i još nekim sitnicama je odgovorno za ovu pojavu.
Title: Re: I Zemlja "menja" magnetne polove?
Post by: Kizza on February 12, 2019, 12:39:47 pm
Evo i kako se kreće i koliko: https://www.ngdc.noaa.gov/geomag/GeomagneticPoles.shtml
Title: Re: I Zemlja "menja" magnetne polove?
Post by: Yagodinac on February 12, 2019, 11:18:57 pm
Opabato, pogrešio sam za četiri nule  ;D
Nema veze, bitno je da razumemo principe, cifre su u drugom planu  ;)