{"id":8168,"date":"2012-01-06T22:14:29","date_gmt":"2012-01-06T20:14:29","guid":{"rendered":"http:\/\/www.ilkkimbuldu.com\/?p=8168"},"modified":"2017-01-06T22:15:08","modified_gmt":"2017-01-06T20:15:08","slug":"nukleosentezi-kim-buldu","status":"publish","type":"post","link":"https:\/\/www.ilkkimbuldu.com\/?p=8168","title":{"rendered":"N\u00fckleosentezi kim buldu"},"content":{"rendered":"<p>\u0130htiva etti\u011fi maddenin b\u00fcy\u00fck \u00e7o\u011funlu\u011fu n\u00f6tronlara kadar s\u0131k\u0131\u015facak derecede gravitasyonel \u00e7\u00f6kmeye maruz kalm\u0131\u015f y\u0131ld\u0131z. N\u00f6tron y\u0131ld\u0131zlar\u0131n\u0131n varl\u0131\u011f\u0131 1930\u2019larda, i\u00e7erisinde <strong>Landau<\/strong> ve <strong>Zwicky<\/strong>\u2019nin de bulundu\u011fu birka\u00e7 astronom taraf\u0131ndan, teorik olarak teklif edilmi\u015ftir.<\/p>\n<p>N\u00f6tron y\u0131ld\u0131zlar\u0131n\u0131n, bir s\u00fcpernova patlamas\u0131ndan sonra geri kalan korun k\u00fctlesinin Chandrasekhar limitini (1.4 G\u00fcne\u015f k\u00fctlesi) a\u015fmas\u0131 halinde meydana geldikleri d\u00fc\u015f\u00fcn\u00fclmektedir. Dejenere elektronlar\u0131n bas\u0131nc\u0131 g\u00fc\u00e7l\u00fc \u00e7ekimi kar\u015f\u0131layamayaca\u011f\u0131ndan, b\u00f6yle bir kor bir beyaz c\u00fcce olarak dengede kalmaz. \u00c7\u00f6kme, ortalama yo\u011funluk 1017 kgm ! olana kadar s\u00fcrer ve bu \u015fart sa\u011fland\u0131\u011f\u0131nda, proton ve elektronlar n\u00f6tronlara \u00e7\u00f6z\u00fcl\u00fcrler. Bunlar, y\u0131ld\u0131z\u0131n daha fazla \u00e7\u00f6kmesini \u00f6nler. Bir beyaz c\u00fcce \u00fczerine k\u00fctle akmas\u0131 halinde de beyaz c\u00fccenin k\u00fctlesi Chandrasekhar limitini a\u015fabilir ve b\u00f6ylelikle de bir n\u00f6tron y\u0131ld\u0131z\u0131 meydana gelebilir.<\/p>\n<p>20-30 km\u2019lik \u00e7aplar\u0131, g\u00fc\u00e7l\u00fc manyetik alanlar\u0131 (10*_ tesla) ve son derecede s\u00fcratli d\u00f6nmeleriyle gen\u00e7 n\u00f6tron y\u0131ld\u0131zlar\u0131n\u0131n, pulsar olay\u0131ndan sorumlu olduklar\u0131na inan\u0131lmaktad\u0131r. Tipik bir n\u00f6tron y\u0131ld\u0131z\u0131n\u0131n sadece birka\u00e7 santimetre kal\u0131nl\u0131\u011f\u0131nda bir atmosferi, bunun alt\u0131nda da yakla\u015f\u0131k 1 kilometre kal\u0131nl\u0131\u011f\u0131nda kristal bir kabuk vard\u0131r.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130htiva etti\u011fi maddenin b\u00fcy\u00fck \u00e7o\u011funlu\u011fu n\u00f6tronlara kadar s\u0131k\u0131\u015facak derecede gravitasyonel \u00e7\u00f6kmeye maruz kalm\u0131\u015f y\u0131ld\u0131z. N\u00f6tron y\u0131ld\u0131zlar\u0131n\u0131n varl\u0131\u011f\u0131 1930\u2019larda, i\u00e7erisinde Landau ve Zwicky\u2019nin de bulundu\u011fu birka\u00e7 astronom taraf\u0131ndan, teorik olarak teklif&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[2988],"class_list":["post-8168","post","type-post","status-publish","format-standard","hentry","category-bilim","tag-nukleosentez"],"_links":{"self":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/8168"}],"collection":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8168"}],"version-history":[{"count":2,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/8168\/revisions"}],"predecessor-version":[{"id":8170,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=\/wp\/v2\/posts\/8168\/revisions\/8170"}],"wp:attachment":[{"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ilkkimbuldu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}