{"id":694,"date":"2012-11-30T14:15:00","date_gmt":"2012-11-30T13:15:00","guid":{"rendered":"https:\/\/kids.esa.int\/europe_s_comet_explorers\/"},"modified":"2026-10-08T00:31:13","modified_gmt":"2026-10-07T22:31:13","slug":"europe_s_comet_explorers","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/europe_s_comet_explorers\/","title":{"rendered":"Eur\u00f3pa \u00fcst\u00f6k\u00f6s-kutat\u00f3i"},"content":{"rendered":"<div class=\"lede\">\n<p>1986. m\u00e1rcius 13-\u00e1n az ESA Giotto \u0171rszond\u00e1ja k\u00e9peket k\u00fcld\u00f6tt vissza egy fekete, burgonya alak\u00fa testr\u0151l, amely f\u00e9nyes anyagcs\u00f3v\u00e1kat l\u00f6vellt ki az \u0171rbe. Ez volt az els\u0151 alkalom, hogy b\u00e1rki is megpillantotta egy \u00fcst\u00f6k\u00f6s sz\u00edv\u00e9ben tal\u00e1lhat\u00f3 szil\u00e1rd magot.<\/p>\n<\/div>\n<p>A Giotto c\u00e9lpontja a Halley-\u00fcst\u00f6k\u00f6s volt, amelyet a 17. sz\u00e1zadi brit csillag\u00e1sz, Edmond Halley ut\u00e1n neveztek el. \u0150 volt az els\u0151, aki r\u00e1j\u00f6tt, hogy ez a ragyog\u00f3 \u00fcst\u00f6k\u00f6s rendszeres vend\u00e9g, \u00e9s 75\u201376 \u00e9vente t\u00e9r vissza a Naprendszer bels\u0151 r\u00e9sz\u00e9be. K\u00f6vetkez\u0151 megjelen\u00e9se az \u00e9gbolton 2061-re v\u00e1rhat\u00f3.<\/p>\n<p>A Halley-\u00fcst\u00f6k\u00f6s a Nap k\u00f6r\u00fcl kering\u0151 t\u00f6bb milli\u00f3 \u00fcst\u00f6k\u00f6s k\u00f6z\u00fcl a legh\u00edresebb. M\u00e9g akkor is, amikor a Naprendszer k\u00fcls\u0151, s\u00f6t\u00e9t r\u00e9gi\u00f3iban tart\u00f3zkodik, a Halley-\u00fcst\u00f6k\u00f6s hat\u00e1ssal van bolyg\u00f3nkra. Minden okt\u00f3berben a F\u00f6ld \u00e1thalad az \u00fcst\u00f6k\u00f6s \u00e1ltal h\u00e1trahagyott finom porfelh\u0151n, ami az Orionid\u00e1k meteorrajt eredm\u00e9nyezi. A Halley-\u00fcst\u00f6k\u00f6s felel\u0151snek tartj\u00e1k az Eta Aquarid meteorraj\u00e9rt is, amely minden \u00e9v m\u00e1jus\u00e1ban jelentkezik. Ezek a meteorok, amelyeket gyakran \u201chull\u00f3csillagoknak\u201d neveznek, apr\u00f3, gyorsan mozg\u00f3 \u00fcst\u00f6k\u00f6s-t\u00f6rmel\u00e9kdarabok \u00e1ltal hagyott f\u00e9nyes nyomok, amelyek a F\u00f6ld l\u00e9gk\u00f6r\u00e9ben el\u00e9gnek.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"ESA, image by AOES Medialab\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2011\/05\/Rosetta_orbiting_Comet_67P_Churyumov-Gerasimenko2\" 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\/2011\/05\/rosetta_orbiting_comet_67p_churyumov-gerasimenko2\/18245884-2-eng-GB\/Rosetta_orbiting_Comet_67P_Churyumov-Gerasimenko.jpg\" alt=\"Rosetta orbiting Comet 67P\/Churyumov-Gerasimenko\"><figcaption>A Rosetta a 67P\/Churyumov\u2013Gerasimenko \u00fcst\u00f6k\u00f6s k\u00f6r\u00fcl kering<\/figcaption><\/figure>\n<p>Giotto kiemelked\u0151 sikere \u00f3ta m\u00e1s \u00fcst\u00f6k\u00f6s\u00f6ket is vizsg\u00e1ltak \u0171rszond\u00e1k seg\u00edts\u00e9g\u00e9vel. A legambici\u00f3zusabb k\u00fcldet\u00e9s azonban az ESA Rosetta nev\u0171 \u00fcst\u00f6k\u00f6svad\u00e1sz \u0171rszond\u00e1ja, amely 2014-ben \u00e9rkezik meg a Csuryumov\u2013Gerasimenko-\u00fcst\u00f6k\u00f6sh\u00f6z. A Rosetta a mag mellett rep\u00fcl majd, \u00e9s alaposan tanulm\u00e1nyozni fogja azokat a v\u00e1ltoz\u00e1sokat, amelyek a Nap meleg\u00edt\u0151 hat\u00e1s\u00e1ra k\u00f6vetkeznek be. Ezenk\u00edv\u00fcl kil\u00f6vi a Philae nev\u0171 kis szond\u00e1t is, amely v\u00e9grehajtja az els\u0151 puha lesz\u00e1ll\u00e1st egy \u00fcst\u00f6k\u00f6s\u00f6n!<\/p>","protected":false},"excerpt":{"rendered":"<p>On 13 March 1986, ESA\u2019s Giotto spacecraft sent back pictures of a black, potato-shaped object that was blasting bright jets of material into space. It was the first time that [&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\/2012\/11\/comet_halley_close_up3\/17877183-2-eng-GB\/Comet_Halley_close_up.jpg","esa_banner_description":"Comet Halley close up","esa_banner_credit":"ESA\/MPS","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/11\/Comet_Halley_close_up3","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":[46,10,11],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-694","post","type-post","status-publish","format-standard","hentry","category-comets-and-meteors","category-learn","category-our-universe"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/694","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=694"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/694\/revisions"}],"predecessor-version":[{"id":4631,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/694\/revisions\/4631"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=694"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=694"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=694"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=694"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=694"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=694"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=694"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}