{"id":1060,"date":"2007-07-12T13:03:00","date_gmt":"2007-07-12T11:03:00","guid":{"rendered":"https:\/\/kids.esa.int\/scientists_find_an_extrasolar_sauna\/"},"modified":"2026-10-08T00:35:27","modified_gmt":"2026-10-07T22:35:27","slug":"scientists_find_an_extrasolar_sauna","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/scientists_find_an_extrasolar_sauna\/","title":{"rendered":"Tud\u00f3sok felfedeztek egy naprendszeren k\u00edv\u00fcli szaun\u00e1t"},"content":{"rendered":"<div class=\"lede\">\n<p>Egy F\u00f6ld mellett elrep\u00fcl\u0151 idegen aligha tudn\u00e1 nem \u00e9szrevenni, hogy k\u00e9k bolyg\u00f3nkat nagyr\u00e9szt \u00f3ce\u00e1nok bor\u00edtj\u00e1k. A F\u00f6ld azonban az egyetlen v\u00edzzel bor\u00edtott bolyg\u00f3 a Naprendszer\u00fcnkben. Mivel a v\u00edzzel bor\u00edtott bolyg\u00f3k meglehet\u0151sen ritk\u00e1nak t\u0171nnek, nem meglep\u0151, hogy a tud\u00f3sok izgatottan fogadj\u00e1k azt a felfedez\u00e9st, hogy egy t\u00e1voli csillag k\u00f6r\u00fcl kering\u0151 bolyg\u00f3n el\u0151sz\u00f6r tal\u00e1ltak v\u00edzben gazdag l\u00e9gk\u00f6rt.<\/p>\n<\/div>\n<p>T\u00f6bb mint 200 ilyen \u2018naprendszeren k\u00edv\u00fcli\u2019 bolyg\u00f3r\u00f3l van tudom\u00e1sunk, de ezek k\u00f6z\u00fcl csak nagyon keveset siker\u00fclt lek\u00e9pezni vagy k\u00f6zvetlen\u00fcl megfigyelni. Szerencs\u00e9re ezek k\u00f6z\u00fcl a \u2018l\u00e1thatatlan\u2019 bolyg\u00f3k k\u00f6z\u00fcl n\u00e9h\u00e1nyat fel lehet fedezni, amikor \u00e1tvonulnak, vagyis elhaladnak csillaguk el\u0151tt. \u00cdgy fedezt\u00e9k fel 2005-ben a HD 189733b n\u00e9ven ismert g\u00e1z\u00f3ri\u00e1st. A Jupiterhez hasonl\u00f3 \u00e9gitest enyhe els\u00f6t\u00e9ted\u00e9st okozott anyacsillag\u00e1nak f\u00e9ny\u00e9ben.<\/p>\n<figure class=\"wp-block-image size-natural\" data-width=\"400\" data-credit=\"ESA (C.Carreau)\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2007\/07\/Transiting_exoplanet_HD_189733b_in_the_infrared2\" 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\/2007\/07\/transiting_exoplanet_hd_189733b_in_the_infrared2\/17867266-3-eng-GB\/Transiting_exoplanet_HD_189733b_in_the_infrared.jpg\" alt=\"Transiting exoplanet HD 189733b, in the infrared\"><figcaption>Az HD 189733b exoplan\u00e9ta \u00e1tvonul\u00e1sa infrav\u00f6r\u00f6s tartom\u00e1nyban<\/figcaption><\/figure>\n<p>Az\u00f3ta eur\u00f3pai \u00e9s amerikai tud\u00f3sok tov\u00e1bbi vizsg\u00e1latokat v\u00e9geztek a HD 189733b-r\u0151l. A NASA Spitzer \u0170rt\u00e1vcs\u00f6v\u00e9t felhaszn\u00e1lva megm\u00e9rt\u00e9k a csillagt\u00f3l \u00e9rkez\u0151 infrav\u00f6r\u00f6s f\u00e9nyt. Amint a bolyg\u00f3 lassan \u00e1thaladt a csillag korongj\u00e1n, k\u00fcls\u0151 l\u00e9gk\u00f6re egy bizonyos hull\u00e1mhossz\u00fa f\u00e9nyt jobban elnyomott, mint a t\u00f6bbit. Ennek a f\u00e9nycs\u00f6kken\u00e9si mint\u00e1zatnak az egyetlen magyar\u00e1zata a v\u00edzg\u0151z jelenl\u00e9te a bolyg\u00f3 l\u00e9gk\u00f6r\u00e9ben.<\/p>\n<p>Sajnos az \u00f3ri\u00e1sbolyg\u00f3nak nincs olyan szikl\u00e1s felsz\u00edne, ahol \u00f3ce\u00e1nok alakulhatn\u00e1nak ki. Ezenk\u00edv\u00fcl rendk\u00edv\u00fcl k\u00f6zel kering a csillag\u00e1hoz. A l\u00e9gk\u00f6r h\u0151m\u00e9rs\u00e9klete meghaladja a 700 \u00b0C-ot, \u00edgy t\u00fal forr\u00f3 ahhoz, hogy es\u0151 essen. A g\u0151z\u00f6lg\u0151 HD 189733b-n szinte biztosan nincs \u00e9let. Ugyanakkor ezek az eredm\u00e9nyek rem\u00e9nyt adnak arra, hogy a nem t\u00fal t\u00e1voli j\u00f6v\u0151ben v\u00edzzel bor\u00edtott, F\u00f6ldh\u00f6z hasonl\u00f3 bolyg\u00f3kat tal\u00e1lunk.<\/p>","protected":false},"excerpt":{"rendered":"<p>An alien flying past the Earth could hardly fail to notice that our blue planet is largely covered by oceans. However, Earth is the only water-covered world in our Solar [&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\/2007\/07\/transiting_exoplanet_hd_189733b2\/17903269-2-eng-GB\/Transiting_exoplanet_HD_189733b.jpg","esa_banner_description":"Transiting exoplanet HD 189733b","esa_banner_credit":"ESA - C.Carreau","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2007\/07\/Transiting_exoplanet_HD_189733b2","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":[14,10,13],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-1060","post","type-post","status-publish","format-standard","hentry","category-are-we-alone","category-learn","category-life-in-space"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/1060","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=1060"}],"version-history":[{"count":5,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/1060\/revisions"}],"predecessor-version":[{"id":4828,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/1060\/revisions\/4828"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=1060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=1060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=1060"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=1060"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=1060"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=1060"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=1060"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=1060"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=1060"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=1060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}