{"id":48170,"date":"2021-03-06T22:04:00","date_gmt":"2021-03-06T20:04:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=48170"},"modified":"2021-03-06T00:00:30","modified_gmt":"2021-03-05T22:00:30","slug":"egy-a-foldhoz-hasonlo-bolygora-bukkantak-a-naprendszer-kozeleben","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=48170&lang=hu","title":{"rendered":"Egy, a F\u00f6ldh\u00f6z hasonl\u00f3 bolyg\u00f3ra bukkantak a Naprendszer k\u00f6zel\u00e9ben"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>A Gliese 486 b exobolyg\u00f3t a szuperf\u00f6ldek kateg\u00f3ri\u00e1j\u00e1ba sorolt\u00e1k, a felsz\u00edni h\u0151m\u00e9rs\u00e9klete 430 Celsius-fok k\u00f6r\u00fcl lehet.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"432\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bolygo2-1024x432.jpg\" alt=\"\" class=\"wp-image-48171\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bolygo2-1024x432.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bolygo2-300x127.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bolygo2-768x324.jpg 768w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bolygo2.jpg 1366w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Kutat\u00f3k egy olyan, csillaga k\u00f6r\u00fcl kering\u0151 bolyg\u00f3ra bukkantak a Naprendszer viszonylagos k\u00f6zels\u00e9g\u00e9ben, amely remek terepet ny\u00fajt a F\u00f6ldh\u00f6z hasonlatos k\u0151zetbolyg\u00f3k l\u00e9gk\u00f6r\u00e9nek tanulm\u00e1nyoz\u00e1s\u00e1hoz, \u00e9s seg\u00edtheti a F\u00f6ld\u00f6n k\u00edv\u00fcli \u00e9let ut\u00e1ni kutat\u00e1st is \u2013 der\u00fcl ki az MTI h\u00edr\u00e9b\u0151l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Gliese 486 b n\u00e9vre keresztelt bolyg\u00f3t a szuperf\u00f6ld kateg\u00f3ri\u00e1ba sorolt\u00e1k. A kutat\u00f3k szerint nem val\u00f3sz\u00edn\u0171, hogy \u00e9letet rejthet, s\u0151t, a k\u00f6r\u00fclm\u00e9nyek meglehet\u0151sen bar\u00e1ts\u00e1gtalanok lehetnek: sz\u00e1razs\u00e1g \u00e9s forr\u00f3s\u00e1g uralkodik, mint a V\u00e9nuszon, felsz\u00edn\u00e9n feltehet\u0151en l\u00e1vafolyamok h\u00f6mp\u00f6ly\u00f6gnek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A bolyg\u00f3 azonban F\u00f6ldh\u00f6z val\u00f3 k\u00f6zels\u00e9ge \u00e9s fizikai tulajdons\u00e1gai miatt nagyon alkalmas arra, hogy az \u0171rb\u00e9li \u00e9s f\u00f6ldi teleszk\u00f3pok \u00faj gener\u00e1ci\u00f3ja vizsg\u00e1lja a l\u00e9gk\u00f6r\u00e9t. Az els\u0151 ilyen eszk\u00f6z lehet a NASA James Webb-\u0171rteleszk\u00f3pja, melyet a tervek szerint okt\u00f3berben ind\u00edtanak \u00fatnak.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"450\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bolygo1.jpg\" alt=\"\" class=\"wp-image-48172\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bolygo1.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bolygo1-300x132.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2021\/03\/bolygo1-768x338.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Olyan adatokat szerezhetnek \u00edgy, amelyek seg\u00edts\u00e9g\u00e9vel m\u00e1s, a Naprendszert\u0151l t\u00e1vol l\u00e9v\u0151 exobolyg\u00f3k l\u00e9gk\u00f6r\u00e9t is megfejthetik, olyanok\u00e9t is, amelyek alkalmasak lehetnek az \u00e9letre. A tud\u00f3sok t\u00f6bb mint 4300 exobolyg\u00f3t (Naprendszeren k\u00edv\u00fcli bolyg\u00f3t) fedeztek m\u00e1r fel, melyek k\u00f6z\u00fcl t\u00f6bb a Jupiterhez hasonl\u00f3an nagy g\u00e1zbolyg\u00f3, de akadnak kisebb, a F\u00f6ldh\u00f6z hasonl\u00f3 k\u0151zetbolyg\u00f3k is, amelyekr\u0151l azt felt\u00e9telezik, hogy az \u00e9let biztos\u00edt\u00e1s\u00e1ra alkalmas k\u00f6r\u00fclm\u00e9nyekkel rendelkezhetnek. A jelenleg el\u00e9rhet\u0151 tudom\u00e1nyos eszk\u00f6z\u00f6k seg\u00edts\u00e9g\u00e9vel azonban keveset lehet megtudni l\u00e9gk\u00f6r\u00fckr\u0151l.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eEgy exobolyg\u00f3nak megfelel\u0151 fizikai tulajdons\u00e1gokkal \u00e9s r\u00f6pp\u00e1ly\u00e1val kell rendelkeznie ahhoz, hogy a l\u00e9gk\u00f6ri kutat\u00e1sokra alkalmas legyen\u201d \u2013 mondta Trifon Trifonov, a n\u00e9metorsz\u00e1gi Max Planck Csillag\u00e1szati Int\u00e9zet bolyg\u00f3kutat\u00f3ja, a Science c\u00edm\u0171 tudom\u00e1nyos lapban megjelent kutat\u00e1s vezet\u0151 szerz\u0151je. A szuperf\u00f6ldek olyan Naprendszeren k\u00edv\u00fcli bolyg\u00f3k, amelyeknek t\u00f6mege nagyobb, mint a F\u00f6ld\u00e9, \u00e1m k\u00f6nnyebbek, mint a Neptunuszhoz, a Szaturnuszhoz vagy a Jupiterhez hasonl\u00f3 g\u00e1z\u00f3ri\u00e1sok. Ez a galaxisunk, a Tej\u00fatrendszer leggyakoribb bolyg\u00f3t\u00edpusa. Ami \u00f6sszet\u00e9tel\u00fcket illeti, egyar\u00e1nt lehetnek k\u0151zetbolyg\u00f3k, \u00e1llhatnak g\u00e1zokb\u00f3l, de lehetnek vegyes halmaz\u00e1llapot\u00fa \u00e9gitestek is.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Exoplanet Gliese-486b could be a Venus-like hellscape - Animated Tour\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"667e638ad6563\" data-src=\"https:\/\/www.youtube.com\/embed\/CCTVzNt_lDA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><script data-plugin=\"mhm_lazyloadvideo\">mhmlazyloadvideo(\"667e638ad6563\");<\/script><noscript><iframe title=\"Exoplanet Gliese-486b could be a Venus-like hellscape - Animated Tour\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"6a223eaf4c7b9\" data-src=\"https:\/\/www.youtube.com\/embed\/CCTVzNt_lDA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/noscript><script data-plugin=\"mhm_lazyloadvideo\">mhmlazyloadvideo(\"6a223eaf4c7b9\");<\/script><noscript><iframe title=\"Exoplanet Gliese-486b could be a Venus-like hellscape - Animated Tour\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"667e638ad6563\" data-src=\"https:\/\/www.youtube.com\/embed\/CCTVzNt_lDA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><script data-plugin=\"mhm_lazyloadvideo\">mhmlazyloadvideo(\"667e638ad6563\");<\/script><noscript><iframe loading=\"lazy\" title=\"Exoplanet Gliese-486b could be a Venus-like hellscape - Animated Tour\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/CCTVzNt_lDA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/noscript><\/noscript>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A Gliese 486 b t\u00f6mege a F\u00f6ld\u00e9nek 2,8-szorosa, a F\u00f6ldt\u0151l mintegy 26,3 f\u00e9ny\u00e9vnyi t\u00e1vols\u00e1gra tal\u00e1lhat\u00f3, ezzel az egyik legk\u00f6zelebbi exobolyg\u00f3. Egy v\u00f6r\u00f6s t\u00f6rpe k\u00f6r\u00fcl kering, amely kisebb, h\u0171v\u00f6sebb \u00e9s kev\u00e9sb\u00e9 f\u00e9nyes, mint a Nap, t\u00f6mege nagyj\u00e1b\u00f3l egyharmada csillagunk\u00e9nak. Mivel a Gliese 486 b nagyon k\u00f6zel kering a csillag\u00e1hoz, er\u0151s sug\u00e1rz\u00e1s \u00e9ri. A F\u00f6ldh\u00f6z hasonl\u00f3an v\u00e9lhet\u0151en f\u00e9mes maggal rendelkezik, felsz\u00edni h\u0151m\u00e9rs\u00e9klete 430 Celsius-fok k\u00f6r\u00fcl lehet, felsz\u00edni gravit\u00e1ci\u00f3s ereje 70 sz\u00e1zal\u00e9kkal er\u0151sebb, mint a F\u00f6ld\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Gliese 486 b nem lehet lakhat\u00f3, legal\u00e1bbis nem \u00fagy, ahogyan a F\u00f6ld. Val\u00f3sz\u00edn\u0171leg nagyon v\u00e9kony l\u00e9gk\u00f6re van, ha van egy\u00e1ltal\u00e1n. Ennek ellen\u00e9re ide\u00e1lis alany a F\u00f6ldh\u00f6z hasonlatos bolyg\u00f3k l\u00e9gk\u00f6r\u00e9t vizsg\u00e1l\u00f3 m\u0171szerek haszn\u00e1lat\u00e1hoz. A l\u00e9gk\u00f6r k\u00e9miai \u00f6sszet\u00e9tele rengeteget el\u00e1rul egy bolyg\u00f3r\u00f3l \u00e9s arr\u00f3l, alkalmas-e az \u00e9letre.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong><a href=\"https:\/\/www.travelo.hu\/tavol\/20210305-urkutatas-csillagaszat-a-foldhoz-hasonlo-bolygora-bukkantak-a-naprendszer-kozeleben.html\" target=\"_blank\" rel=\"noreferrer noopener\">(travelo.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A Gliese 486 b exobolyg\u00f3t a szuperf\u00f6ldek kateg\u00f3ri\u00e1j\u00e1ba sorolt\u00e1k, a felsz\u00edni h\u0151m\u00e9rs\u00e9klete 430 Celsius-fok k\u00f6r\u00fcl lehet.<\/p>\n","protected":false},"author":12,"featured_media":48172,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,596,592,598,25,39],"tags":[40911,31383,40912],"class_list":["post-48170","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-erdekes","category-tarsadalom","category-tudomany","category-videok","category-vilag","tag-foldhoz-hasonlo-bolygo","tag-naprendszer","tag-szuperfold"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/48170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=48170"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/48170\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/48172"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=48170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=48170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=48170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}