{"id":60293,"date":"2021-06-15T22:23:00","date_gmt":"2021-06-15T19:23:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=60293"},"modified":"2021-06-15T00:28:23","modified_gmt":"2021-06-14T21:28:23","slug":"galaxisok-kozotti-lathatatlan-hidakat-talaltak","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=60293&lang=hu","title":{"rendered":"Galaxisok k\u00f6z\u00f6tti, l\u00e1thatatlan hidakat tal\u00e1ltak"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Galaxisokat \u00f6sszek\u00f6t\u0151 \u201esz\u00e1lakat\u201d fedeztek fel csillag\u00e1szok a lok\u00e1lis univerzum s\u00f6t\u00e9t anyag\u00e1nak leg\u00fajabb t\u00e9rk\u00e9p\u00e9n. A g\u00e9pi tanul\u00e1s seg\u00edts\u00e9g\u00e9vel kifejlesztett atlasz seg\u00edtheti a s\u00f6t\u00e9t anyag term\u00e9szet\u00e9nek, valamint a helyi vil\u00e1gegyetem m\u00faltj\u00e1nak \u00e9s j\u00f6v\u0151j\u00e9nek m\u00e9lyebb megismer\u00e9s\u00e9t \u2013 olvashat\u00f3 az <a href=\"https:\/\/www.origo.hu\/tudomany\/20210611-a-sotet-anyag-uj-terkepe-erdekes-szerkezet-letezeserol-adott-bizonyitekot.html\">Origo<\/a> cikk\u00e9ben.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A s\u00f6t\u00e9t anyag egy rejt\u00e9lyes mat\u00e9ria, ami a vil\u00e1gegyetem anyag\u00e1nak t\u00f6bb mint 80 sz\u00e1zal\u00e9k\u00e1t teszi ki. V\u00e1z\u00e1t k\u00e9pezi az \u00fagynevezett kozmikus h\u00e1l\u00f3nak, vagyis annak a hatalmas kiterjed\u00e9s\u0171 strukt\u00far\u00e1nak, ami gravit\u00e1ci\u00f3s hat\u00e1sa r\u00e9v\u00e9n a galaxisok mozg\u00e1s\u00e1t vez\u00e9rli. Sajnos a lok\u00e1lis s\u00f6t\u00e9t anyag eloszl\u00e1sa napjainkban sem ismert, mert nincs olyan m\u00f3dszer\u00fcnk, amivel k\u00f6zvetlen\u00fcl m\u00e9rni lehetne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A tud\u00f3sok azonban m\u00e9gsem teljesen tehetetlenek, mert a s\u00f6t\u00e9t anyag gravit\u00e1ci\u00f3san hat a vil\u00e1g\u0171r objektumaira (p\u00e9ld\u00e1ul a galaxisokra), \u00e9s \u00edgy ha pontosan m\u00e9rni nem is, de j\u00f3solni lehet az eloszl\u00e1s\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eIronikus m\u00f3don min\u00e9l t\u00e1volabb van a s\u00f6t\u00e9t anyag, ann\u00e1l k\u00f6nnyebb k\u00f6vetkeztetni az eloszl\u00e1s\u00e1ra, mivel \u00edgy a j\u00f3val egyszer\u0171bb, m\u00faltb\u00e9li \u00e1llapot\u00e1t l\u00e1tjuk\u201d \u2013 \u00edrta a kiadott k\u00f6zlem\u00e9nyben Donghui Jeong asztrofizikus, a Pennsylvaniai \u00c1llami Egyetem munkat\u00e1rsa, a tanulm\u00e1ny egyik szerz\u0151je.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"746\" height=\"420\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/06\/367736720180827idoutazas11.jpg\" alt=\"\" class=\"wp-image-60294\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/06\/367736720180827idoutazas11.jpg 746w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/06\/367736720180827idoutazas11-300x169.jpg 300w\" sizes=\"auto, (max-width: 746px) 100vw, 746px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eId\u0151vel a vil\u00e1gegyetem nagy kiterjed\u00e9s\u0171 szerkezete egyre tereb\u00e9lyesebb\u00e9 v\u00e1lt, az univerzum \u00f6sszetettebb lett, emiatt pedig \u00e9rtelemszer\u0171en nehezebb m\u00e9rni a lok\u00e1lis s\u00f6t\u00e9t anyagot\u201d \u2013 tette hozz\u00e1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kor\u00e1bban is k\u00eds\u00e9rleteztek m\u00e1r a kozmikus h\u00e1l\u00f3 felt\u00e9rk\u00e9pez\u00e9s\u00e9vel, a r\u00e9gebbi modell az univerzum korai \u00e1llapot\u00e1t\u00f3l kezdve szimul\u00e1lta annak \u00e9vmilli\u00e1rdokig tart\u00f3 fejl\u0151d\u00e9s\u00e9t. Ez a modell azonban sok szempontb\u00f3l nem adott megfelel\u0151 eredm\u00e9nyeket, ez\u00e9rt az \u00faj kutat\u00e1s sor\u00e1n a szak\u00e9rt\u0151k m\u00e1s megk\u00f6zel\u00edt\u00e9st alkalmaztak: G\u00e9pi tanul\u00e1s seg\u00edts\u00e9g\u00e9vel egy olyan modellt hoztak l\u00e9tre, ami a galaxisok t\u00e9rbeli eloszl\u00e1sa \u00e9s mozg\u00e1sa alapj\u00e1n k\u00f6vetkeztet a s\u00f6t\u00e9t anyag eloszl\u00e1s\u00e1ra.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/06\/20140507univerzum-evolucio.jpg\" alt=\"\" class=\"wp-image-60295\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/06\/20140507univerzum-evolucio.jpg 800w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/06\/20140507univerzum-evolucio-300x300.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/06\/20140507univerzum-evolucio-150x150.jpg 150w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/06\/20140507univerzum-evolucio-768x768.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Rejt\u00e9lyes sz\u00e1lak kapcsolj\u00e1k \u00f6ssze a galaxisokat<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A friss modell amellett, hogy sikeresen reproduk\u00e1lta a helyi univerzum j\u00f3l ismert strukt\u00far\u00e1it, sz\u00e1mos kor\u00e1bban nem ismert, tov\u00e1bbi tanulm\u00e1nyoz\u00e1sra \u00e9rdemes kozmikus szerkezetet is mutatott a kutat\u00f3knak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ut\u00f3bbiak k\u00f6z\u00fcl a leg\u00e9rdekesebbek azok a sz\u00e1lszer\u0171 strukt\u00far\u00e1k, amik \u00f6sszekapcsolj\u00e1k a galaxisokat.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong>(origo.hu)<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Galaxisokat \u00f6sszek\u00f6t\u0151 \u201esz\u00e1lakat\u201d fedeztek fel csillag\u00e1szok a lok\u00e1lis univerzum s\u00f6t\u00e9t anyag\u00e1nak leg\u00fajabb t\u00e9rk\u00e9p\u00e9n. A g\u00e9pi tanul\u00e1s seg\u00edts\u00e9g\u00e9vel kifejlesztett atlasz seg\u00edtheti a s\u00f6t\u00e9t anyag term\u00e9szet\u00e9nek, valamint a helyi vil\u00e1gegyetem m\u00faltj\u00e1nak \u00e9s j\u00f6v\u0151j\u00e9nek m\u00e9lyebb megismer\u00e9s\u00e9t.<\/p>\n","protected":false},"author":12,"featured_media":60294,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,596,49,592,598,39],"tags":[5727,29372],"class_list":["post-60293","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-erdekes","category-hirek","category-tarsadalom","category-tudomany","category-vilag","tag-galaxisok","tag-univerzum"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/60293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=60293"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/60293\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/60294"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=60293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=60293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=60293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}