{"id":391,"date":"2018-05-07T12:06:00","date_gmt":"2018-05-07T10:06:00","guid":{"rendered":"https:\/\/kids.esa.int\/mystery_of_the_missing_matter\/"},"modified":"2026-10-08T00:27:38","modified_gmt":"2026-10-07T22:27:38","slug":"mystery_of_the_missing_matter","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/mystery_of_the_missing_matter\/","title":{"rendered":"Az elt\u0171nt anyag rejt\u00e9lye"},"content":{"rendered":"<div class=\"lede\">\n<p>Tudtad, hogy \u00fagy t\u0171nik, hi\u00e1nyzik egy kis anyag az Univerzumb\u00f3l? Tal\u00e1n hallott\u00e1l m\u00e1r a s\u00f6t\u00e9t anyagr\u00f3l, amely nagyon rejt\u00e9lyes, \u00e9s a tud\u00f3sok m\u00e9g nem fedezt\u00e9k fel. Azonban a szok\u00e1sos anyag \u2013 amelyb\u0151l azok a dolgok \u00e1llnak, amelyekhez hozz\u00e1szoktunk: a csillagok, a bolyg\u00f3k \u00e9s minden, amit l\u00e1tunk, meg\u00e9rinthet\u00fcnk vagy megszagolhatunk \u2013 szint\u00e9n rejt\u00e9lyes lehet! A k\u00f6zeli galaxisok tanulm\u00e1nyoz\u00e1sa sor\u00e1n kider\u00fclt, hogy egyesek h\u00e1romszor kevesebb anyagot tartalmaznak, mint amire sz\u00e1m\u00edtottunk. Saj\u00e1t galaxisunk \u2013 a Tej\u00fat \u2013 kevesebb mint a fele annyi anyagot tartalmaz, amennyit kellene! Hol van ez a hi\u00e1nyz\u00f3 anyag?<\/p>\n<\/div>\n<p>A csillag\u00e1szok rengeteg id\u0151t \u00e9s energi\u00e1t ford\u00edtottak arra, hogy felkutass\u00e1k az elt\u0171nt anyagot. Egy kutat\u00f3csoport felvetette, hogy ez az anyag tal\u00e1n nem a galaxisok f\u0151 r\u00e9sz\u00e9ben tal\u00e1lhat\u00f3 \u2013 ahol a csillagok t\u00f6bbs\u00e9ge helyezkedik el \u2013, hanem a galaxisok hal\u00f3iban. A hal\u00f3k a galaxisokat k\u00f6r\u00fclvev\u0151 forr\u00f3 g\u00e1zter\u00fcletek. A hal\u00f3k megfigyel\u00e9se neh\u00e9z, \u00e9s a csillag\u00e1szok \u00e1ltal\u00e1ban csak beleshetnek azokba, de nem l\u00e1tnak t\u00fal messzire. Lehet, hogy a galaxisok hal\u00f3i a t\u00f6k\u00e9letes rejtekhelyek az univerzum hi\u00e1nyz\u00f3 anyag\u00e1nak?<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"2500\" data-credit=\"ESA-C. Carreau\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/XMM-Newton\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/05\/xmm-newton\/17879070-2-eng-GB\/XMM-Newton.jpg\" alt=\"XMM-Newton\"><figcaption>XMM-Newton<\/figcaption><\/figure>\n<p>Egy csillag\u00e1szcsoport az ESA XMM-Newton nev\u0171 \u0171rt\u00e1vcs\u00f6v\u00e9t haszn\u00e1lta arra, hogy az eddigin\u00e9l m\u00e9lyebbre hatoljon a galaxisok hal\u00f3iba, \u00e9s ott anyagot keressen. Az XMM-Newton egy r\u00f6ntgent\u00e1vcs\u0151, vagyis nem a szem\u00fcnkkel \u00e9rz\u00e9kelhet\u0151 norm\u00e1l f\u00e9nyt l\u00e1tja, hanem r\u00f6ntgensugarakat figyel meg. A galaxishal\u00f3k r\u00f6ntgensugarakkal t\u00f6rt\u00e9n\u0151 vizsg\u00e1lata pontosabb megfigyel\u00e9seket tesz lehet\u0151v\u00e9!<\/p>\n<p>A kutat\u00f3csoport hat spir\u00e1lgalaxist vizsg\u00e1lt meg, olyan nyomokat keresve, amelyek az anyag jelenl\u00e9t\u00e9re utalhatnak. Az adatok ellen\u0151rz\u00e9se ut\u00e1n k\u00e9szen \u00e1lltak az eredm\u00e9nyek k\u00f6zz\u00e9t\u00e9tel\u00e9re: a v\u00e1rt anyagmennyis\u00e9g k\u00f6zel h\u00e1romnegyede m\u00e9g mindig hi\u00e1nyzott!<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"3774\" data-credit=\"ESA\/XMM-Newton; J-T. Li (University of Michigan, USA); Sloan Digital Sky Survey (SDSS)\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Searching_galactic_haloes_for_missing_matter\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/05\/searching_galactic_haloes_for_missing_matter\/17907606-2-eng-GB\/Searching_galactic_haloes_for_missing_matter.jpg\" alt=\"Searching galactic haloes for \u2018missing\u2019 matter\"><figcaption>A \u2018hi\u00e1nyz\u00f3\u2019 anyag keres\u00e9se a galaxisok hal\u00f3iban<\/figcaption><\/figure>\n<p>Akkor hol lehet? Van n\u00e9h\u00e1ny elm\u00e9let. Tal\u00e1n egy olyan g\u00e1zfajta form\u00e1j\u00e1ban van t\u00e1rolva, amelyet nehezen tudunk megfigyelni. Lehet, hogy az \u0171r egy olyan ter\u00fclet\u00e9n tal\u00e1lhat\u00f3, amelyet m\u00e9g nem kutattunk \u00e1t. Vagy tal\u00e1n az anyag ott van a hal\u00f3kban, de a r\u00f6ntgensug\u00e1rz\u00e1sa olyan gyenge, hogy m\u00e9g az XMM-Newton sem k\u00e9pes \u00e9szlelni.<\/p>\n<p>A tud\u00f3sok sz\u00edvesen folytatn\u00e1k a kutat\u00e1st. Tal\u00e1n egy napon siker\u00fcl majd megfejten\u00fcnk az elt\u0171nt anyag rejt\u00e9ly\u00e9t!<\/p>\n<p><b>\u00c9rdekes t\u00e9ny:<\/b> Az ESA hamarosan \u00fczembe helyezend\u0151, a nagyenergi\u00e1j\u00fa asztrofizik\u00e1ra specializ\u00e1l\u00f3dott teleszk\u00f3pja (Advanced Telescope for High-ENergy Astrophysics) a galaxisok k\u00fcls\u0151 r\u00e9gi\u00f3it fogja vizsg\u00e1lni a hi\u00e1nyz\u00f3 anyag felkutat\u00e1sa \u00e9rdek\u00e9ben.<\/p>","protected":false},"excerpt":{"rendered":"<p>Did you know that the Universe seems to be missing some matter? You may have heard of dark matter, which is very mysterious and has yet to be found by [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/05\/anatomy_of_the_milky_way\/17882733-2-eng-GB\/Anatomy_of_the_Milky_Way.jpg","esa_banner_description":"Anatomy of the Milky Way","esa_banner_credit":"NASA\/JPL-Caltech; right: ESA; layout: ESA\/ATG medialab","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Anatomy_of_the_Milky_Way","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[26],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-391","post","type-post","status-publish","format-standard","hentry","category-news"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/comments?post=391"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/391\/revisions"}],"predecessor-version":[{"id":4438,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/391\/revisions\/4438"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=391"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=391"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=391"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=391"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=391"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=391"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=391"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}