{"id":881,"date":"2006-09-07T12:06:00","date_gmt":"2006-09-07T10:06:00","guid":{"rendered":"https:\/\/kids.esa.int\/supernovas\/"},"modified":"2026-10-08T00:33:19","modified_gmt":"2026-10-07T22:33:19","slug":"supernovas","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/supernovas\/","title":{"rendered":"Szupern\u00f3v\u00e1k"},"content":{"rendered":"
\n

Id\u0151nk\u00e9nt hatalmas robban\u00e1s vil\u00e1g\u00edtja meg a Tej\u00fat galaxisunkat. Ez a szupern\u00f3vak\u00e9nt ismert heves esem\u00e9ny egy szuper\u00f3ri\u00e1s \u2013 egy olyan neh\u00e9z csillag, amely a Napn\u00e1l sokszor nagyobb \u2013 hal\u00e1l\u00e1t jelzi. A Tej\u00fat egyik legut\u00f3bbi szupern\u00f3v\u00e1ja k\u00f6r\u00fclbel\u00fcl 340 \u00e9vvel ezel\u0151tt a Cassiopeia csillagk\u00e9pben t\u00f6rt\u00e9nt, ez\u00e9rt Cassiopeia A (Cas A) n\u00e9ven ismerj\u00fck.<\/p>\n<\/div>\n

A Cas A t\u00edzezer f\u00e9ny\u00e9vre tal\u00e1lhat\u00f3 a F\u00f6ldt\u0151l. Az olyan obszervat\u00f3riumok, mint a NASA\u2013ESA Hubble \u0170rt\u00e1vcs\u0151, r\u00e9szletes vizsg\u00e1latokat v\u00e9geztek a h\u00e1tramaradt, izz\u00f3 g\u00e1z- \u00e9s porfelh\u0151r\u0151l.<\/p>\n

\"Zooming
Nagy\u00edt\u00e1s a Cassiopeia A-ra<\/figcaption><\/figure>\n

A felv\u00e9teleken egy sz\u00e9tt\u00e9pett anyaggy\u0171r\u0171 l\u00e1that\u00f3, amely gyorsan t\u00e1volodik a robban\u00e1s helysz\u00edn\u00e9t\u0151l. Az anyag egy r\u00e9sze k\u00f6r\u00fclbel\u00fcl 50 milli\u00f3 km\/\u00f3r\u00e1s sebess\u00e9ggel halad (ez el\u00e9g gyors ahhoz, hogy 30 m\u00e1sodperc alatt eljusson a F\u00f6ldr\u0151l a Holdig!). A hatalmas t\u00f6rmel\u00e9k\u00f6rv\u00e9nyek az\u00e9rt ragyognak, mert a mellett\u00fck elhalad\u00f3 szupern\u00f3va l\u00f6k\u00e9shull\u00e1ma felmeleg\u00edtette \u0151ket.<\/p>\n

A szupern\u00f3va-robban\u00e1soknak t\u00f6bbf\u00e9le t\u00edpusa l\u00e9tezik. A Cas A akkor robbant fel, amikor egy kis csillag \u2013 amelyet feh\u00e9r t\u00f6rp\u00e9nek neveznek \u2013 nagy mennyis\u00e9g\u0171 anyagot vonzott mag\u00e1hoz egy k\u00f6zeli csillagt\u00f3l. Ahogy a g\u00e1z felhalmoz\u00f3dott, a feh\u00e9r t\u00f6rpe annyira felhev\u00fclt \u00e9s akt\u00edvv\u00e1 v\u00e1lt, hogy felrobbant. M\u00e1s szupern\u00f3v\u00e1k akkor keletkeznek, amikor a nagy t\u00f6meg\u0171 csillagok magj\u00e1ban elfogy a nukle\u00e1ris \u00fczemanyag. Mivel m\u00e1r nem tud t\u00f6bb energi\u00e1t leadni, a mag \u00f6sszeomlik, \u00e9s ezzel elpuszt\u00edtja a csillagot.<\/p>\n

A szupern\u00f3v\u00e1k az\u00e9rt fontosak, mert a csillagok anyag\u00e1t sz\u00e9tsz\u00f3rj\u00e1k a galaxisban. A F\u00f6ld\u00f6n szinte minden (bele\u00e9rtve minket is!) olyan elemekb\u0151l \u00e1ll (p\u00e9ld\u00e1ul sz\u00e9nb\u0151l \u00e9s vasb\u00f3l), amelyek ebb\u0151l a csillagporb\u00f3l sz\u00e1rmaznak.<\/p>","protected":false},"excerpt":{"rendered":"

Every now and again our Milky Way galaxy is lit up by a huge explosion. Known as a supernova, this violent event marks the death of a supergiant \u2013 a […]<\/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\/2006\/08\/hubble_s_view_of_supernova_explosion_cassiopeia_a2\/18245292-2-eng-GB\/Hubble_s_view_of_supernova_explosion_Cassiopeia_A.jpg","esa_banner_description":"Hubble\u2019s view of supernova explosion Cassiopeia A","esa_banner_credit":"NASA, ESA, and the Hubble Heritage (STScI\/AURA)-ESA\/Hubble Collaboration","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2006\/08\/Hubble_s_view_of_supernova_explosion_Cassiopeia_A2","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":[10,11,21],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-881","post","type-post","status-publish","format-standard","hentry","category-learn","category-our-universe","category-stars-and-galaxies"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/881","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=881"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/881\/revisions"}],"predecessor-version":[{"id":4717,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/881\/revisions\/4717"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=881"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=881"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=881"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=881"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=881"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=881"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=881"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}