Kjo nuk \u00ebsht\u00eb me t\u00eb v\u00ebrtet\u00eb “e drejtp\u00ebrdrejt\u00eb”, sepse v\u00ebzhgimet jan\u00eb nga 2014, por studimi i koh\u00ebve t\u00eb fundit ka sqaruar ngjarjen: nj\u00eb shk\u00eblqim 900 vite drite nga Toka zbulon lindjen e nj\u00eb sistemi binar t\u00eb yjeve t\u00eb neutroneve.<\/p>\n
Nj\u00eb shk\u00eblqim i zbehur dhe shum\u00eb i shkurt\u00ebr nga nj\u00eb galaktik\u00eb shum\u00eb e larg\u00ebt lejoi astronom\u00ebt t\u00eb shihnin nj\u00eb premier\u00eb bot\u00ebrore: lindja e nj\u00eb sistemi binar t\u00eb yjeve t\u00eb neutroneve.<\/p>\n
Nj\u00eb yll i neutronit \u00ebsht\u00eb nj\u00eb objekt jasht\u00ebzakonisht i dendur dhe kompakt, i p\u00ebrb\u00ebr\u00eb kryesisht nga neutronet (p\u00ebrb\u00ebr\u00ebsit e b\u00ebrthamave atomike) t\u00eb mbajtur s\u00eb bashku nga graviteti: k\u00ebto yje, t\u00eb cilat zakonisht formohen nga kolapsi gravitacional, p\u00ebrfundojn\u00eb me nj\u00eb mas\u00eb pak m\u00eb t\u00eb madhe se Dielli (nga 1.5 n\u00eb 3 masa diellore) kondensohen\u00a0n\u00eb disa dhjet\u00ebra kilometra n\u00eb diamet\u00ebr.<\/p>\n
R\u00ebnia gravitacionale, e cila mund t\u00eb \u00e7oj\u00eb n\u00eb nj\u00eb vrim\u00eb t\u00eb zez\u00eb dhe nj\u00eb yll t\u00eb neutroneve, ndodh kur nj\u00eb yll masiv (nd\u00ebrmjet 10 dhe 30 masave diellore) ka mbetur pa karburant p\u00ebr bashkimin b\u00ebrthamor q\u00eb e mban at\u00eb: n\u00ebse ylli ka humbur shumic\u00ebn e guask\u00ebs s\u00eb tij t\u00eb hidrogjenit dhe heliumit, rezultati p\u00ebrfundimtar do t\u00eb jet\u00eb nj\u00eb yll i neutroneve.<\/p>\n
Kur presioni i jasht\u00ebm p\u00ebr shkak t\u00eb reaksioneve b\u00ebrthamore nuk \u00ebsht\u00eb m\u00eb n\u00eb gjendje t\u00eb luftoj\u00eb kund\u00ebr gravitetit t\u00eb madh t\u00eb objektit, ndodh kolaps i cili ngjesh atomet derisa ato lidhin elektronet dhe protonet, duke i shnd\u00ebrruar ato n\u00eb neutrone.<\/p>\n
N\u00eb raste t\u00eb rralla (aq sa dihet) \u00ebsht\u00eb e mundur q\u00eb dy yje t\u00eb nj\u00eb sistemi binar t\u00eb dyja t\u00eb nj\u00ebjtin fat, duke u kthyer n\u00eb yje t\u00eb neutroneve dhe p\u00ebr k\u00ebt\u00eb arsye n\u00eb nj\u00eb sistem binar me yje neutron. Nj\u00eb fenomen i parashikuar nga teoria, por q\u00eb kurr\u00eb m\u00eb par\u00eb nuk \u00ebsht\u00eb gjetur.<\/p>\n
Galaxy IV Z\u00eb 155, rreth 900 milion\u00eb vite drit\u00eb larg prej nesh, \u00ebsht\u00eb i njohur p\u00ebr form\u00ebn e tij t\u00eb \u00e7uditshme “spirale t\u00eb hapur”, sipas astronom\u00ebve, n\u00eb nj\u00eb konfrontim t\u00eb koh\u00ebve t\u00eb fundit\u00a0me nj\u00eb galaktik\u00eb tjet\u00ebr.<\/p>\n
M\u00eb 14 tetor 2014, nj\u00eb aparat fotografik i montuar n\u00eb nj\u00eb teleskop prej 1.22 metra me diamet\u00ebr Samuel Oschin t\u00eb Observatorit Palomar, pjes\u00eb e projektit monitorues t\u00eb nd\u00ebrmjet\u00ebm t\u00eb Palomar Tranmitient (iPTF) zbuloi n\u00eb at\u00eb galaktik\u00eb nj\u00eb vend t\u00eb ndritsh\u00ebm i cili nj\u00eb dit\u00eb m\u00eb par\u00eb\u00a0nuk ishte aty dhe q\u00eb u zhduk p\u00ebrs\u00ebri disa dit\u00eb m\u00eb von\u00eb.<\/p>\n
Si nj\u00eb sqarim i par\u00eb, astronom\u00ebt hipotezuan nj\u00eb ngjarje supernova, e cila p\u00ebrfshin nj\u00eb yll prej 9-10 masash diellore n\u00eb faz\u00ebn shp\u00ebrthyese, por pas nj\u00eb s\u00ebr\u00eb v\u00ebzhgimesh n\u00eb gjat\u00ebsi vale t\u00eb ndryshme, nga drita n\u00eb ultravjollc\u00eb, nga infra t\u00eb kuqe deri te rrezet X dhe deri n\u00eb val\u00ebt e radios, ata arrit\u00ebn n\u00eb p\u00ebrfundimin se emetimi i energjis\u00eb ishte anormal p\u00ebr nj\u00eb supernova: anomali n\u00eb intensitet, koh\u00ebzgjatjen dhe llojin e emetimit.<\/p>\n
Instrumentet tona kan\u00eb kapur lindjen e nj\u00eb ylli neutron n\u00eb rotacion rreth nj\u00eb ylli tjet\u00ebr t\u00eb ngjash\u00ebm.<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
Kjo nuk \u00ebsht\u00eb me t\u00eb v\u00ebrtet\u00eb “e drejtp\u00ebrdrejt\u00eb”, sepse v\u00ebzhgimet jan\u00eb nga 2014, por studimi i koh\u00ebve t\u00eb fundit ka sqaruar ngjarjen: nj\u00eb shk\u00eblqim 900 vite drite nga Toka zbulon lindjen e nj\u00eb sistemi binar t\u00eb yjeve t\u00eb neutroneve. Nj\u00eb shk\u00eblqim i zbehur dhe shum\u00eb i shkurt\u00ebr nga nj\u00eb galaktik\u00eb shum\u00eb e larg\u00ebt lejoi astronom\u00ebt […]<\/p>\n","protected":false},"author":2013,"featured_media":79973,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[241,206],"tags":[],"class_list":{"0":"post-79972","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-aktualitet","8":"category-shkence"},"_links":{"self":[{"href":"https:\/\/zjarr.tv\/sq\/wp-json\/wp\/v2\/posts\/79972","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zjarr.tv\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zjarr.tv\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zjarr.tv\/sq\/wp-json\/wp\/v2\/users\/2013"}],"replies":[{"embeddable":true,"href":"https:\/\/zjarr.tv\/sq\/wp-json\/wp\/v2\/comments?post=79972"}],"version-history":[{"count":0,"href":"https:\/\/zjarr.tv\/sq\/wp-json\/wp\/v2\/posts\/79972\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zjarr.tv\/sq\/wp-json\/wp\/v2\/media\/79973"}],"wp:attachment":[{"href":"https:\/\/zjarr.tv\/sq\/wp-json\/wp\/v2\/media?parent=79972"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zjarr.tv\/sq\/wp-json\/wp\/v2\/categories?post=79972"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zjarr.tv\/sq\/wp-json\/wp\/v2\/tags?post=79972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}