{"id":981,"date":"2008-09-04T07:56:00","date_gmt":"2008-09-04T05:56:00","guid":{"rendered":"https:\/\/kids.esa.int\/rosetta_zooms_past_a_rare_asteroid\/"},"modified":"2026-10-08T00:34:29","modified_gmt":"2026-10-07T22:34:29","slug":"rosetta_zooms_past_a_rare_asteroid","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/rosetta_zooms_past_a_rare_asteroid\/","title":{"rendered":"A Rosetta elsz\u00e1guld egy ritka aszteroida mellett"},"content":{"rendered":"<div class=\"lede\">\n<p>Az ESA Rosetta \u0171rszond\u00e1ja \u00faton van, hogy 2014-ben tal\u00e1lkozzon egy \u00fcst\u00f6k\u00f6ssel. A m\u00e9ly\u0171rben tett 10 \u00e9ves \u00fatja sor\u00e1n a Rosetta k\u00e9tszer is megl\u00e1togatja a Mars \u00e9s a Jupiter k\u00f6z\u00f6tti f\u0151 aszteroid\u00f6vezetet. Els\u0151, t\u00f6rt\u00e9nelmi jelent\u0151s\u00e9g\u0171 tal\u00e1lkoz\u00e1sa egy aszteroid\u00e1val szeptember 5-\u00e9n, 20:58-kor (k\u00f6z\u00e9p-eur\u00f3pai ny\u00e1ri id\u0151 szerint) fog megt\u00f6rt\u00e9nni.<\/p>\n<\/div>\n<p>A 2004. m\u00e1rciusi ind\u00edt\u00e1sa \u00f3ta a Rosetta k\u00f6r\u00fclbel\u00fcl 3 700 milli\u00f3 km-t tett meg. Jelenleg a F\u00f6ld \u00e9s a Nap k\u00f6z\u00f6tti t\u00e1vols\u00e1gnak t\u00f6bb mint k\u00e9tszeres\u00e9re van a Napt\u00f3l. Az \u0171reszk\u00f6z m\u00e1r k\u00e9tszer elhaladt a F\u00f6ld mellett, \u00e9s egyszer a Mars mellett is, de a Steins nev\u0171 kicsi, szikl\u00e1s aszteroida melletti elhalad\u00e1sa k\u00edn\u00e1lja az els\u0151 val\u00f3di lehet\u0151s\u00e9get tudom\u00e1nyos m\u0171szereinek haszn\u00e1lat\u00e1ra.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1323\" data-credit=\"ESA, image by C.Carreau\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2008\/09\/Artist_s_impression_of_asteroid_2867_Steins2\" 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\/2008\/09\/artist_s_impression_of_asteroid_2867_steins2\/17884620-2-eng-GB\/Artist_s_impression_of_asteroid_2867_Steins.jpg\" alt=\"Artist\u2019s impression of asteroid (2867) Steins\"><figcaption>A (2867) Steins aszteroida m\u0171v\u00e9szi \u00e1br\u00e1zol\u00e1sa<\/figcaption><\/figure>\n<p>A Rosetta k\u00f6r\u00fclbel\u00fcl 31 000 km\/\u00f3r\u00e1s sebess\u00e9ggel suhan majd el a Steins mellett. Augusztus eleje \u00f3ta a szonda kamer\u00e1i \u00e1ltal k\u00e9sz\u00edtett felv\u00e9telek seg\u00edts\u00e9g\u00e9vel k\u00f6vetik nyomon a Steins-t, \u00e9s hat\u00e1rozz\u00e1k meg pontos helyzet\u00e9t. Ez lehet\u0151v\u00e9 teszi, hogy az \u0171reszk\u00f6z mind\u00f6ssze 800 km-re haladjon el c\u00e9lpontj\u00e1t\u00f3l. Sajnos az ESA n\u00e9metorsz\u00e1gi, darmstadti Eur\u00f3pai \u0170rir\u00e1ny\u00edt\u00f3 K\u00f6zpontj\u00e1nak ir\u00e1ny\u00edt\u00f3inak 22:23-ig (k\u00f6z\u00e9p-eur\u00f3pai ny\u00e1ri id\u0151 szerint) kell v\u00e1rniuk az els\u0151 kapcsolatfelv\u00e9telre a Rosett\u00e1val \u00e9s a sikeres elrep\u00fcl\u00e9s meger\u0151s\u00edt\u00e9s\u00e9re.<\/p>\n<p>A Steins-t 1969-ben fedezt\u00e9k fel, \u00e1tm\u00e9r\u0151je mind\u00f6ssze n\u00e9h\u00e1ny kilom\u00e9ter. F\u00e9nyess\u00e9g\u00e9nek rendszeres v\u00e1ltoz\u00e1sai arra utalnak, hogy k\u00f6r\u00fclbel\u00fcl 6 \u00f3r\u00e1nk\u00e9nt tesz meg egy teljes forg\u00e1st. A tud\u00f3sok sz\u00edvesen tanulm\u00e1nyozn\u00e1k ezt a kis \u00e9gitestet, mivel viszonylag ritka t\u00edpus\u00fa aszteroida. A Steinshez hasonl\u00f3 \u00e9gitestek a bolyg\u00f3k kialakul\u00e1s\u00e1nak maradv\u00e1nyai, amely 4,5 milli\u00e1rd \u00e9vvel ezel\u0151tt t\u00f6rt\u00e9nt. Tanulm\u00e1nyoz\u00e1suk r\u00e9v\u00e9n t\u00f6bbet tudhatunk meg a F\u00f6ld \u00e9s a Naprendszer t\u00f6bbi bolyg\u00f3j\u00e1nak kialakul\u00e1s\u00e1r\u00f3l.<\/p>","protected":false},"excerpt":{"rendered":"<p>ESA\u2019s Rosetta spacecraft is on its way to a rendezvous with a comet in 2014. During its 10-year trek through deep space, Rosetta will make two visits to the main [&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\/2008\/09\/artist_s_impression_of_rosetta_as_it_flies_by_asteroid_steins4\/17900421-2-eng-GB\/Artist_s_impression_of_Rosetta_as_it_flies_by_asteroid_Steins.jpg","esa_banner_description":"Artist\u2019s impression of Rosetta as it flies by asteroid Steins","esa_banner_credit":"ESA, image by C.Carreau","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2008\/09\/Artist_s_impression_of_Rosetta_as_it_flies_by_asteroid_Steins4","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-981","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\/981","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=981"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/981\/revisions"}],"predecessor-version":[{"id":4773,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/981\/revisions\/4773"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=981"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=981"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=981"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=981"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=981"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=981"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=981"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}