Evrendeki say\u0131s\u0131z y\u0131ld\u0131zdan sadece biri olan G\u00fcne\u015f, Samanyolu Galaksisi’nde yer almaktad\u0131r. G\u00fcne\u015f, \u00fczerinde ya\u015fad\u0131\u011f\u0131m\u0131z gezegenin de i\u00e7inde bulundu\u011fu G\u00fcne\u015f Sistemi’nin merkezini olu\u015fturur. 4,65 milyar ya\u015f\u0131mda oldu\u011fu tahmin edilen bu dev enerji kayna\u011f\u0131n\u0131n yar\u0131 \u00e7ap\u0131 7×105 km yani d\u00fcnya yar\u0131\u00e7ap\u0131n\u0131n 100 kat\u0131d\u0131r. Ekliptik d\u00fczlem normaliyle 75\u00b0 15′ a\u00e7\u0131 yapan G\u00fcne\u015f, ekseni etraf\u0131ndaki d\u00f6n\u00fc\u015f\u00fcn\u00fc yakla\u015f\u0131k 27 g\u00fcnde tamamlar. G\u00fcne\u015fin merkez s\u0131cakl\u0131\u011f\u0131 10 milyon derece, d\u0131\u015f s\u0131cakl\u0131\u011f\u0131 ise 5700 K\u00b0 d\u0131r. Ba\u015flang\u0131\u00e7ta 2×1030 kg’l\u0131k k\u00fctlesinin %73 ‘luk k\u0131sm\u0131n\u0131n hidrojenden, geri kalan k\u0131sm\u0131n\u0131 ise helyumdan olu\u015ftu\u011fu tahmin edilmektedir.
\n G\u00fcne\u015fin bu bitmez t\u00fckenmez \u0131s\u0131y\u0131 nas\u0131l \u00fcretti\u011fi sorusu, ilk zamanlar insanlar\u0131n kafas\u0131n\u0131 en \u00e7ok me\u015fgul eden soru olmu\u015ftur. Fakat g\u00fcn\u00fcm\u00fczde g\u00fcne\u015fin bu \u0131s\u0131 enerjisini i\u00e7indeki hidrojeni \u00e7ekirdek f\u00fczyonu ile helyuma \u00e7evirerek elde etti\u011fi anla\u015f\u0131lm\u0131\u015ft\u0131r. Ve G\u00fcne\u015f \u00e7ekirdek f\u00fczyonu sayesinde \u00e7evresine 4×1026 Watt’ l\u0131k g\u00fc\u00e7 yaymaktad\u0131r. Ba\u015flang\u0131\u00e7ta %73 hidrojen olan hidrojen oran\u0131n\u0131n g\u00fcn\u00fcm\u00fczde %38’e d\u00fc\u015ft\u00fc\u011f\u00fc tahmin edilmektedir. Bu tahmine dayanarak g\u00fcne\u015fin \u00f6mr\u00fcn\u00fc yar\u0131lad\u0131\u011f\u0131n\u0131 s\u00f6yleyebiliriz.
\n G\u00fcne\u015f y\u00fczeyi tabakalardan olu\u015fmu\u015ftur. Bu tabakalara \u00e7ekirdekten y\u00fczeye do\u011fru s\u0131ras\u0131yla fotosfer, kromosfer ve korona isimleri verilmi\u015ftir. G\u00fcne\u015fin g\u00f6r\u00fcn\u00fcr y\u00fczeyini 500 km kal\u0131nl\u0131\u011f\u0131ndaki fotosfer tabakas\u0131 olu\u015fturmaktad\u0131r. Bu tabakan\u0131n s\u0131cakl\u0131\u011f\u0131 6000 K\u00b0 kadard\u0131r. Fotosfer tabakas\u0131n\u0131n hemen \u00fcst\u00fcnde 2500 km kal\u0131nl\u0131\u011f\u0131ndaki kromosfer tabakas\u0131 yer almaktad\u0131r. Bu tabakan\u0131n s\u0131cakl\u0131\u011f\u0131 en \u00fcst k\u0131s\u0131mda 105 – 106 K\u00b0 ‘ye kadar y\u00fckselebilir. Bu tabakadan hemen sonra geni\u015fli\u011fi gezegenlere kadar uzanan korona tabakas\u0131 yer al\u0131r bu tabakan\u0131n ortalama s\u0131cakl\u0131\u011f\u0131 106 K\u00b0 kadard\u0131r. G\u00fcne\u015fin katmanlar\u0131 aras\u0131ndaki manyetik alan \u015fiddeti b\u00fcy\u00fck de\u011fi\u015fiklikler g\u00f6sterir ve bu de\u011fi\u015fikliklerin sonucunda bir \u00e7ok olay g\u00f6zlenir. \u00d6rne\u011fin G\u00fcne\u015f lekeleri, manyetik alan d\u00fczensizli\u011fi sonucunda o alandaki s\u0131cakl\u0131\u011f\u0131n \u00e7evreye g\u00f6re d\u00fc\u015fmesinden kaynaklan\u0131r.
\n G\u00fcne\u015fin korona tabakas\u0131ndan gezegenler ars\u0131 ortam yay\u0131lan elektrik y\u00fckl\u00fc taneciklerin olu\u015fturdu\u011fu etkiye G\u00fcne\u015f R\u00fczgar\u0131 ad\u0131 verilmektedir. G\u00fcne\u015fe yakla\u015fan kuyruklu y\u0131ld\u0131zlar\u0131n kuyruklar\u0131 bu r\u00fczgar\u0131n etkisi ile g\u00fcne\u015fe ters y\u00f6nde uzan\u0131rlar. G\u00fcne\u015f R\u00fczgar\u0131, proton, elektron ve %5 kadar helyum \u00e7ekirde\u011fi ile az miktarda daha a\u011f\u0131r atomlardan olu\u015fmu\u015ftur. <\/p>\n
G\u00fcne\u015f, \u0131s\u0131 ve \u0131\u015f\u0131\u011fa ek olarak, yo\u011funlu\u011fu d\u00fc\u015f\u00fck, art\u0131 ve eksi y\u00fckl\u00fc par\u00e7ac\u0131klar (\u00e7o\u011funlu\u011funu elektron ve protonlar\u0131n olu\u015fturdu\u011fu) yayar. G\u00fcne\u015f r\u00fczgarlar\u0131 olarak da isimlendirilen bu ak\u0131m g\u00fcne\u015ften \u00e7evreye saniyede 450 km h\u0131zla yay\u0131l\u0131rlar. Bu olay d\u00fcnyada gerilim hatlar\u0131nda voltaj dalgalanmalar\u0131na, elektromanyetik dalgalarla yap\u0131lan haberle\u015fmelerin (radyo, tv yay\u0131nlar\u0131 telsiz haberle\u015fmeleri gibi) zaman zaman aksamas\u0131na neden olur. O harika kuzey \u0131\u015f\u0131klar\u0131n\u0131n (aurora borealis) olu\u015fum nedeni de g\u00fcne\u015f r\u00fczgar\u0131d\u0131r. Kuyruklu y\u0131ld\u0131zlar\u0131n kuyruklar\u0131n\u0131n olu\u015fmas\u0131 g\u00fcne\u015f r\u00fczgarlar\u0131 nedeniyledir. R\u00fczgar\u0131n uzay ara\u00e7lar\u0131n\u0131n y\u00f6r\u00fcngelerine yapt\u0131\u011f\u0131 etki \u00f6l\u00e7\u00fclebilir d\u00fczeydedir. (soldaki foto\u011fraf g\u00fcne\u015fin x-\u0131\u015f\u0131n\u0131 foto\u011fraf\u0131d\u0131r).
\n Sa\u011fdaki g\u00fcne\u015f foto\u011fraf\u0131 19 aral\u0131k 1973’de Skylab uzay istasyonundan \u00e7ekilmi\u015ftir. G\u00fcne\u015f y\u00fczeyinden, g\u00fcne\u015fin manyetik alan\u0131yla \u00f6telenen ola\u011fan\u00fcst\u00fc bir alev kolunu g\u00f6stermektedir. Resimdeki alevler g\u00fcne\u015ften 588,000 km uza\u011fa kadar ula\u015fmaktad\u0131r. Ne g\u00fcne\u015f lekelerinin yayg\u0131nl\u0131\u011f\u0131 ne de g\u00fcne\u015fin yayd\u0131\u011f\u0131 enerji sabit de\u011fildir. 17. y\u00fczy\u0131l\u0131n ikinci yar\u0131s\u0131na rastlayan ve Maunder Minimum diye adland\u0131r\u0131lan, g\u00fcne\u015f lekelerinde a\u015f\u0131r\u0131 bir azalman\u0131n ya\u015fand\u0131\u011f\u0131 bir d\u00f6nem bilinmektedir. G\u00fcne\u015fin olu\u015fumundan bu yana g\u00fcne\u015fin yayd\u0131\u011f\u0131 enerjide %40 kadar bir art\u0131\u015f olmu\u015ftur.<\/p>\n","protected":false},"excerpt":{"rendered":"
Evrendeki say\u0131s\u0131z y\u0131ld\u0131zdan sadece biri olan G\u00fcne\u015f, Samanyolu Galaksisi’nde yer almaktad\u0131r. G\u00fcne\u015f, \u00fczerinde ya\u015fad\u0131\u011f\u0131m\u0131z gezegenin de i\u00e7inde bulundu\u011fu G\u00fcne\u015f Sistemi’nin merkezini olu\u015fturur. 4,65 milyar ya\u015f\u0131mda oldu\u011fu tahmin edilen bu dev enerji kayna\u011f\u0131n\u0131n yar\u0131 \u00e7ap\u0131 7×105 km yani d\u00fcnya yar\u0131\u00e7ap\u0131n\u0131n 100 kat\u0131d\u0131r. Ekliptik d\u00fczlem normaliyle 75\u00b0 15′ a\u00e7\u0131 yapan G\u00fcne\u015f, ekseni etraf\u0131ndaki d\u00f6n\u00fc\u015f\u00fcn\u00fc yakla\u015f\u0131k 27 g\u00fcnde …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1407,1403],"tags":[2729,2730,11386,3768,2732],"class_list":["post-5709","post","type-post","status-publish","format-standard","hentry","category-fen-ve-teknoloji-odevleri","category-odevler","tag-evren","tag-gunes","tag-gunes-lekeleri","tag-samanyolu-galaksisi","tag-x-isini"],"_links":{"self":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/5709","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/comments?post=5709"}],"version-history":[{"count":0,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/5709\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/media?parent=5709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/categories?post=5709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/tags?post=5709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}