{"id":385,"date":"2018-05-24T12:21:00","date_gmt":"2018-05-24T10:21:00","guid":{"rendered":"https:\/\/kids.esa.int\/a_space_ant_fires_its_lasers\/"},"modified":"2026-10-08T00:27:34","modified_gmt":"2026-10-07T22:27:34","slug":"a_space_ant_fires_its_lasers","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/a_space_ant_fires_its_lasers\/","title":{"rendered":"Egy \u0171rhangya els\u00fcti a l\u00e9zereit!"},"content":{"rendered":"<div class=\"lede\">\n<p>\u201cHangy\u00e1k az \u0171rben\u201d \u2013 ez \u00fagy hangzik, mintha egy sci-fi film c\u00edme lenne, de a csillag\u00e1szok ismernek egy ilyen \u201ekozmikus hangy\u00e1t\u201d odakint: a Hangya-k\u00f6d\u00f6t! B\u00e1r kiss\u00e9 rovarra hasonl\u00edt, a Hangya-k\u00f6d val\u00f3j\u00e1ban egy hatalmas g\u00e1z- \u00e9s porfelh\u0151, amely a F\u00f6ldt\u0151l hihetetlen\u00fcl messze, 8000 f\u00e9ny\u00e9vre tal\u00e1lhat\u00f3. \u00c1ltal\u00e1ban nagy\u00edt\u00f3val lehet j\u00f3l megn\u00e9zni egy hangy\u00e1t, de ehhez a p\u00e9ld\u00e1nyhoz mindenk\u00e9ppen t\u00e1vcs\u0151re van sz\u00fcks\u00e9g.<\/p>\n<\/div>\n<p>A csillag\u00e1szok m\u00e1r kor\u00e1bban is tudt\u00e1k, hogy a Hangya-k\u00f6d egykor csillag volt, tal\u00e1n kicsit hasonl\u00f3 a mi Napunkhoz, de m\u00e1r nagyon \u00f6reg volt, \u00e9s kimer\u00edtette hidrog\u00e9nk\u00e9szlet\u00e9t. A csillag k\u00fcls\u0151 r\u00e9tegei lev\u00e1ltak, ami a F\u00f6ldr\u0151l l\u00e1that\u00f3 Hangya-k\u00f6d alakj\u00e1t eredm\u00e9nyezte, k\u00f6z\u00e9ppontj\u00e1ban pedig egy feh\u00e9r t\u00f6rpecsillagot hagyva h\u00e1tra.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"4288\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Herschel\" 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\/herschel\/18248437-2-eng-GB\/Herschel.jpg\" alt=\"Herschel\"><figcaption>Herschel<\/figcaption><\/figure>\n<p>A csillag\u00e1szok most elemezt\u00e9k az ESA Herschel \u0171robszervat\u00f3riuma \u00e1ltal az Ant-k\u00f6dr\u0151l k\u00e9sz\u00edtett felv\u00e9teleket. Ez a k\u00fcl\u00f6nleges eszk\u00f6z nem azt a fajta f\u00e9nyt \u00e9rz\u00e9keli, amelyet a szem\u00fcnk term\u00e9szetesen \u00e9szlel, hanem egy m\u00e1sikfajta f\u00e9nyt, az \u00fagynevezett infrav\u00f6r\u00f6s sug\u00e1rz\u00e1st. Valami olyasmit fedeztek fel, amire senki sem sz\u00e1m\u00edtott: l\u00e9zereket!<\/p>\n<p>\u201cAz \u201d\u0171rl\u00e9zerek\u201d kifejez\u00e9s ugyan \u00fagy hangzik, mint egy tudom\u00e1nyos-fantasztikus film c\u00edme, de val\u00f3j\u00e1ban l\u00e9teznek! A Hangyafelh\u0151ben megfigyelt l\u00e9zerhat\u00e1snak van tudom\u00e1nyos neve: hidrog\u00e9n-rekombin\u00e1ci\u00f3s vonal\u00fa l\u00e9zerkibocs\u00e1t\u00e1s. Ez egy nagyon ritka jelens\u00e9g, \u00e9s seg\u00edt nek\u00fcnk abban, hogy t\u00f6bbet tudjunk meg a Hangyafelh\u0151 bels\u0151 r\u00e9gi\u00f3ir\u00f3l.<\/p>\n<p>A csillag\u00e1szok \u00fagy v\u00e9lik, hogy a l\u00e9zert a feh\u00e9r t\u00f6rpe csillag k\u00f6zel\u00e9ben tal\u00e1lhat\u00f3 g\u00e1zkorong bocs\u00e1tja ki. Norm\u00e1lis esetben ilyen k\u00f6zel a feh\u00e9r t\u00f6rpe csillaghoz nem lenne g\u00e1z, teh\u00e1t hogyan ker\u00fclt oda? Egy lehets\u00e9ges magyar\u00e1zat az, hogy a k\u00f6zelben van egy m\u00e1sik csillag, vagyis a feh\u00e9r t\u00f6rpe egy kett\u0151s csillagrendszer r\u00e9sze. Ez a m\u00e1sodik csillag tarthatja a g\u00e1zkorongot a feh\u00e9r t\u00f6rpe k\u00f6r\u00fcl kering\u0151 p\u00e1ly\u00e1n, \u00e9s ez hozza l\u00e9tre a l\u00e9zert.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"8101\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Stellar_evolution\" 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\/stellar_evolution\/17877849-2-eng-GB\/Stellar_evolution.jpg\" alt=\"Stellar evolution\"><figcaption>Csillagok fejl\u0151d\u00e9se<\/figcaption><\/figure>\n<p>Sz\u00f3val most m\u00e1r tudjuk, hogy val\u00f3ban van egy hangya az \u0171rben, aki l\u00e9zereket l\u0151 \u2013 bizonyos \u00e9rtelemben! Tal\u00e1n egy nap filmet is k\u00e9sz\u00edtenek majd err\u0151l\u2026<\/p>\n<p><b>\u00c9rdekes t\u00e9ny:<\/b> A Hangyafelh\u0151 felfedez\u0151je, Donald Menzel, volt az els\u0151 csillag\u00e1sz is, aki felvetette, hogy a k\u00f6d\u00f6k term\u00e9szetes l\u00e9zereket hozhatnak l\u00e9tre \u2013 j\u00f3val azel\u0151tt, hogy megtudtuk volna, hogy a Hangyafelh\u0151 is ilyen, s\u0151t m\u00e9g azel\u0151tt is, hogy a tud\u00f3sok laborat\u00f3riumokban l\u00e9zereket \u00e1ll\u00edtottak volna el\u0151. Micsoda v\u00e9letlen!<\/p>","protected":false},"excerpt":{"rendered":"<p>&#8220;Ants in space&#8221; might sound like the name of a science fiction film, but astronomers know of one cosmic ant out there \u2013 the Ant Nebula! Looking a bit like [&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\/ant_nebula2\/17892612-2-eng-GB\/Ant_Nebula.jpg","esa_banner_description":"Ant Nebula","esa_banner_credit":"NASA, ESA and the Hubble Heritage Team (STScI\/AURA)","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/05\/Ant_Nebula2","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-385","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\/385","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=385"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/385\/revisions"}],"predecessor-version":[{"id":4432,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/385\/revisions\/4432"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=385"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=385"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=385"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=385"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=385"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=385"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=385"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}