{"id":147,"date":"2018-06-26T09:12:00","date_gmt":"2018-06-26T07:12:00","guid":{"rendered":"https:\/\/kids.esa.int\/celebrate_asteroid_day_on_30_june\/"},"modified":"2026-10-08T00:24:46","modified_gmt":"2026-10-07T22:24:46","slug":"celebrate_asteroid_day_on_30_june","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/celebrate_asteroid_day_on_30_june\/","title":{"rendered":"\u00dcnnepelj\u00fck j\u00fanius 30-\u00e1n az Aszteroida-napot!"},"content":{"rendered":"<div class=\"lede\">\n<p>1908. j\u00fanius 30-\u00e1n, 110 \u00e9vvel ezel\u0151tt, egy 40 m\u00e9ter \u00e1tm\u00e9r\u0151j\u0171 aszteroida csap\u00f3dott a F\u00f6ldbe! A szib\u00e9riai Tunguska nev\u0171 t\u00e9rs\u00e9g felett robbant fel a leveg\u0151ben. Szerencs\u00e9re Tunguska nagyon eldugott helyen fekszik, ez\u00e9rt \u00fagy gondolj\u00e1k, hogy senki sem halt meg. Ugyanakkor 80 milli\u00f3 fa \u2013 amelyek \u00f6sszesen a Nagy-London ter\u00fclet\u00e9vel megegyez\u0151 nagys\u00e1g\u00fa ter\u00fcletet fedtek le \u2013 d\u0151lt ki! A tunguszkai esem\u00e9ny volt a legnagyobb becsap\u00f3d\u00e1s, amelyet a F\u00f6ld a k\u00f6zelm\u00faltban tapasztalt. Ennek eml\u00e9k\u00e9re minden \u00e9v j\u00fanius 30-\u00e1t Aszteroida-napnak nevezik.<\/p>\n<\/div>\n<p>Az Aszteroida-nap remek alkalom arra, hogy elgondolkodjunk ezeken a vil\u00e1g\u0171rben kering\u0151 szikl\u00e1kon, valamint azon, hogyan seg\u00edthetnek \u2013 \u00e9s hogyan \u00e1rthatnak \u2013 nek\u00fcnk. 2009 \u00f3ta az ESA vezeti azokat a kezdem\u00e9nyez\u00e9seket, amelyek c\u00e9lja a sz\u00e1munkra vesz\u00e9lyes aszteroid\u00e1k \u00e9s \u00fcst\u00f6k\u00f6s\u00f6k felkutat\u00e1sa. Ezeket F\u00f6ldk\u00f6zeli objektumoknak, r\u00f6viden NEO-knak nevezik, mivel p\u00e1ly\u00e1juk sor\u00e1n k\u00f6zel ker\u00fclnek a F\u00f6ldh\u00f6z, \u00edgy fenn\u00e1ll az \u00fctk\u00f6z\u00e9s vesz\u00e9lye.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"3004\" data-credit=\"Public domain \u2013 N. A. Setrukov, 1928\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/06\/Tunguska_devastation3\" 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\/06\/tunguska_devastation3\/17884583-2-eng-GB\/Tunguska_devastation.jpg\" alt=\"Tunguska devastation\"><figcaption>A tunguszkai katasztr\u00f3fa<\/figcaption><\/figure>\n<p>Ennek el\u0151seg\u00edt\u00e9se \u00e9rdek\u00e9ben az ESA jelenleg olyan fejlett t\u00e1vcs\u00f6vek fejleszt\u00e9s\u00e9n dolgozik, amelyek az \u00e9gbolt nagy ter\u00fcleteit k\u00e9pesek \u00e1tvizsg\u00e1lni, \u00e9s 48 \u00f3r\u00e1nk\u00e9nt elv\u00e9gzik a felm\u00e9r\u00e9st. Ha b\u00e1rmilyen NEO tal\u00e1lhat\u00f3 a k\u00f6zelben, akkor nagyobb es\u00e9ly\u00fcnk lesz azok \u00e9szlel\u00e9s\u00e9re. Az ESA emellett a \u201eSpace Situational Awareness\u201d nev\u0171 program keret\u00e9ben seg\u00edti a vil\u00e1g minden t\u00e1j\u00e1n dolgoz\u00f3 csillag\u00e1szok \u00f6sszekapcsol\u00e1s\u00e1t, hiszen min\u00e9l t\u00f6bb szem \u00e9s teleszk\u00f3p keresi a NEO-kat, ann\u00e1l jobb!<\/p>\n<p>Az ESA olyan megold\u00e1sokon dolgozik, amelyekkel megv\u00e9dhetn\u00e9 a F\u00f6ldet arra az esetre, ha egy NEO val\u00f3ban t\u00fal k\u00f6zel ker\u00fclne hozz\u00e1. A <a href=\"http:\/\/www.esa.int\/Our_Activities\/Space_Engineering_Technology\/Hera\" target=\"_blank\" rel=\"noopener\">Hera-k\u00fcldet\u00e9s<\/a>, amelynek ind\u00edt\u00e1s\u00e1t 2023-ra tervezik, a Didymos aszteroid\u00e1t fogja megfigyelni, hogy megvizsg\u00e1lja, hogyan v\u00e1ltozik annak p\u00e1ly\u00e1ja, amikor egy szond\u00e1t nekimutatnak. Ez megmutatja majd nek\u00fcnk, hogyan lehet elt\u00e9r\u00edteni a F\u00f6lddel \u00fctk\u00f6z\u00e9si p\u00e1ly\u00e1n l\u00e9v\u0151 aszteroid\u00e1kat.<\/p>\n<p>Nem minden aszteroida vesz\u00e9lyes \u2013 s\u0151t, hasznosak is lehetnek sz\u00e1munkra. Ennek oka, hogy olyan anyagokat \u00e9s er\u0151forr\u00e1sokat tartalmaznak, amelyeket egy napon tal\u00e1n begy\u0171jthet\u00fcnk, hogy itt a F\u00f6ld\u00f6n felhaszn\u00e1ljuk \u0151ket, vagy hogy seg\u00edtsenek nek\u00fcnk az \u0171rbe val\u00f3 tov\u00e1bbi terjeszked\u00e9sben. Az aszteroid\u00e1k emellett seg\u00edtenek megismerni az \u0171rben r\u00e9gen, m\u00e9g a Naprendszer korai szakasz\u00e1ban uralkod\u00f3 k\u00f6r\u00fclm\u00e9nyeket is.<\/p>\n<p>Az Asteroid Day keret\u00e9ben minden \u00e9vben vil\u00e1gszerte \u00e9l\u0151ben k\u00f6zvet\u00edtik a rendezv\u00e9nyeket, amelyek gazdag programj\u00e1ban \u0171rhaj\u00f3sok, rockszt\u00e1rok \u00e9s tud\u00f3sok is r\u00e9szt vesznek. Megvitatj\u00e1k majd a F\u00f6ld k\u00f6r\u00fcli p\u00e1ly\u00e1n kering\u0151, F\u00f6ldre vesz\u00e9lyt jelent\u0151 objektumok (NEO-k) elt\u00e1vol\u00edt\u00e1s\u00e1nak \u00f6tletes m\u00f3dszereit is! Minden Aszteroida-napon t\u00f6bb sz\u00e1z rendezv\u00e9nyre ker\u00fcl sor, \u00e9s eddig 78 orsz\u00e1gban szerveztek koncerteket, m\u0171helyeket, el\u0151ad\u00e1sokat \u00e9s m\u00e9g sok m\u00e1s programot.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1822\" data-credit=\"M. Ahmetvaleev\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/06\/Chelyabinsk_asteroid\" 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\/06\/chelyabinsk_asteroid\/17877701-2-eng-GB\/Chelyabinsk_asteroid.jpg\" alt=\"Chelyabinsk asteroid\"><figcaption>A cseljabinszki aszteroida<\/figcaption><\/figure>\n<p>Szeretn\u00e9l szervezni egy programot az Aszteroida-nap meg\u00fcnnepl\u00e9s\u00e9re? Milyen izgalmas \u00f6tleteid vannak?<\/p>\n<p><b>\u00c9rdekes t\u00e9ny:<\/b> A tunguszkai aszteroida t\u00f6bb mint 100 000 kilom\u00e9ter\/\u00f3r\u00e1s sebess\u00e9ggel haladt, amikor felrobbant!<\/p>","protected":false},"excerpt":{"rendered":"<p>On 30 June 1908, 110 years ago, an asteroid measuring 40-metres across hit the Earth! It exploded in the air over an area called Tunguska, in Siberia. Luckily, Tunguska is [&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\/06\/tunguska_devastation2\/17868636-2-eng-GB\/Tunguska_devastation.jpg","esa_banner_description":"Tunguska devastation","esa_banner_credit":"ESA-P.Carril","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2018\/06\/Tunguska_devastation2","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":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-147","post","type-post","status-publish","format-standard","hentry","category-news","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/147","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=147"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/147\/revisions"}],"predecessor-version":[{"id":4320,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/147\/revisions\/4320"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=147"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=147"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=147"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=147"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=147"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=147"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=147"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}