{"id":34649,"date":"2020-10-30T21:43:06","date_gmt":"2020-10-30T19:43:06","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=34649"},"modified":"2020-10-30T10:47:32","modified_gmt":"2020-10-30T08:47:32","slug":"meglepoen-lagy-a-67p-csurjumov-geraszimenko-ustokos-belseje","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=34649&lang=hu","title":{"rendered":"Meglep\u0151en l\u00e1gy a 67P\/Csurjumov-Geraszimenko \u00fcst\u00f6k\u00f6s belseje"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>A 67P\/Csurjumov\u2013Geraszimenko \u00fcst\u00f6k\u00f6s belsej\u00e9nek vizsg\u00e1lata a Rosetta-misszi\u00f3 Philae lesz\u00e1ll\u00f3egys\u00e9g\u00e9nek m\u00e1sodik f\u00f6ldet \u00e9r\u00e9se r\u00e9v\u00e9n v\u00e1lt lehets\u00e9gess\u00e9, amikor az egys\u00e9g t\u00f6bb milli\u00e1rd \u00e9ves jeget t\u00e1rt fel. Az Eur\u00f3pai \u0170r\u00fcgyn\u00f6ks\u00e9g (ESA) most k\u00f6z\u00f6lte az elemz\u00e9s eredm\u00e9ny\u00e9t.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"450\" src=\"http:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/10\/ustokos.jpg\" alt=\"\" class=\"wp-image-34650\" srcset=\"https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/10\/ustokos.jpg 1024w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/10\/ustokos-300x132.jpg 300w, https:\/\/life.karpat.in.ua\/wp-content\/uploads\/2020\/10\/ustokos-768x338.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A Rosetta \u0171rszonda k\u00e9t \u00e9ve kering a 67P\/Csurjumov\u2013Geraszimenko k\u00f6r\u00fcl \u00e9s vizsg\u00e1lja az \u00fcst\u00f6k\u00f6st. A h\u0171t\u0151szekr\u00e9ny m\u00e9ret\u0171 Philae 2014. november 12-\u00e9n a terveknek megfelel\u0151en leereszkedett az \u00fcst\u00f6k\u00f6s felsz\u00edn\u00e9re. A landol\u00e1s azonban nem zajlott probl\u00e9mamentesen, a lesz\u00e1ll\u00f3egys\u00e9g visszapattant az eredeti lesz\u00e1ll\u00f3helyr\u0151l, \u00e9s k\u00e9t \u00f3r\u00e1n kereszt\u00fcl rep\u00fclt m\u00e9g tov\u00e1bb, majd egy szikla perem\u00e9nek \u00fctk\u00f6z\u00f6tt, ekkor r\u00f6vid id\u0151re ism\u00e9t meg\u00e1llt. V\u00e9g\u00fcl az \u00fcst\u00f6k\u00f6s egy s\u00f6t\u00e9t szakad\u00e9k\u00e1ban rekedt meg, ahol csak a Rosetta \u00e1ltal k\u00e9sz\u00edtett felv\u00e9telek ki\u00e9rt\u00e9kel\u00e9sekor, 22 h\u00f3nappal k\u00e9s\u0151bb fedezt\u00e9k fel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Laurence O&#8217;Rourke, az ESA kutat\u00f3ja \u00e9s munkat\u00e1rsai a Rosetta \u00e9s a Philae m\u0171szereinek adatait haszn\u00e1lva kutatt\u00e1k fel az eddigi ismeretlen, m\u00e1sodik \u00e9rint\u00e9si pontot. A szak\u00e9rt\u0151knek \u00e9veken \u00e1t tart\u00f3 munk\u00e1jukba ker\u00fclt, m\u00edg v\u00e9gre fellelt\u00e9k a m\u00e1sodik helysz\u00ednt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201eA Philae szenzorai szerint a lesz\u00e1ll\u00f3egys\u00e9g a felsz\u00edn al\u00e1 \u00e1sott, \u00e9s nagy val\u00f3sz\u00edn\u0171s\u00e9ggel felt\u00e1rta a felsz\u00edn alatt fekv\u0151, \u0151skori jeget\u201d \u2013 \u00edrt\u00e1k a kutat\u00f3k az ESA k\u00f6zlem\u00e9ny\u00e9ben. Ez\u00e1ltal egy 4,5 milli\u00e1rd \u00e9ves anyaghoz jutott hozz\u00e1, mely nem volt kit\u00e9ve \u00f6r\u00f6k id\u0151k \u00f3ta a vil\u00e1g\u0171r hat\u00e1sainak.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A szonda \u00e9s lesz\u00e1ll\u00f3egys\u00e9ge magnetom\u00e9tereinek adatai szerint a Philae csaknem k\u00e9t percet t\u00f6lt\u00f6tt el m\u00e1sodik \u201e\u00e1llom\u00e1shely\u00e9n\u201d, \u00e9s legal\u00e1bb n\u00e9gy k\u00fcl\u00f6nb\u00f6z\u0151 ponton bolygatta meg az \u00fcst\u00f6k\u00f6s felsz\u00edn\u00e9t. (A m\u00e1sodik \u00e9rint\u00e9si pont mind\u00f6ssze 30 m\u00e9terre van att\u00f3l a helyt\u0151l, ahol a Philae v\u00e9gleg meg\u00e1llt.) A k\u00e9peken l\u00e1that\u00f3 egy l\u00e1tv\u00e1nyos lenyomat, amely akkor keletkezett, amikor a Philae fels\u0151 oldala 25 centim\u00e9ter m\u00e9lyre s\u00fcllyedt a j\u00e9gben egy szakad\u00e9k mellett \u00e9s a f\u00far\u00f3ja, valamint oldalai felismerhet\u0151 lenyomat\u00e1t hagyta h\u00e1tra.<\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Philae lander touchdown helped create &#039;skull face&#039; on comet\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"66826e02521ba\" data-src=\"https:\/\/www.youtube.com\/embed\/0ySQmlFHBM8?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(\"66826e02521ba\");<\/script><noscript><iframe title=\"Philae lander touchdown helped create &#039;skull face&#039; on comet\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"6a238b393fb8d\" data-src=\"https:\/\/www.youtube.com\/embed\/0ySQmlFHBM8?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(\"6a238b393fb8d\");<\/script><noscript><iframe title=\"Philae lander touchdown helped create &#039;skull face&#039; on comet\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"66826e02521ba\" data-src=\"https:\/\/www.youtube.com\/embed\/0ySQmlFHBM8?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(\"66826e02521ba\");<\/script><noscript><iframe loading=\"lazy\" title=\"Philae lander touchdown helped create &#039;skull face&#039; on comet\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/0ySQmlFHBM8?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 landol\u00e1s idej\u00e9n a j\u00e9g nagy r\u00e9sze \u00e1rny\u00e9kban volt, a h\u00f3napokkal k\u00e9s\u0151bb k\u00e9sz\u00edtett k\u00e9peken azonban a nap k\u00f6zvetlen\u00fcl a m\u00e1sodik becsap\u00f3d\u00e1s ter\u00fclet\u00e9re vil\u00e1g\u00edt r\u00e1, mely f\u00e9nyesen ragyog. A m\u0171szerek k\u00e9peinek \u00e9s adatainak elemz\u00e9se meger\u0151s\u00edtette, hogy a vil\u00e1gos r\u00e9gi\u00f3 3,5 n\u00e9gyzetm\u00e9ternyi ter\u00fclet\u0171 v\u00edzj\u00e9g \u2013 amelyet a Philae t\u00e1rt fel \u2013 \u00e9s hogy ez az \u0151si, t\u00f6bb milli\u00e1rd \u00e9ves, j\u00e9gb\u0151l \u00e9s porb\u00f3l \u00e1ll\u00f3 kever\u00e9k szokatlanul l\u00e1gy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A tud\u00f3sok annak a szikl\u00e1nak a por\u00f3zuss\u00e1g\u00e1t is vizsg\u00e1lt\u00e1k, amelybe becsap\u00f3dott a Philae. A Nature foly\u00f3iratban k\u00f6z\u00f6lt eredm\u00e9nyeik szerint a szikla szerkezet\u00e9nek mintegy 75 sz\u00e1zal\u00e9k\u00e1t a jeges porszemcs\u00e9k k\u00f6zti \u00fcregek teszik ki. Ez megfelel a m\u00e1s vizsg\u00e1latok sor\u00e1n az eg\u00e9sz \u00fcst\u00f6k\u00f6sre m\u00e9rt \u00e9rt\u00e9knek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Az eredm\u00e9nyek kiemelt fontoss\u00e1g\u00faak a j\u00f6v\u0151beli misszi\u00f3k sz\u00e1m\u00e1ra, seg\u00edthetnek az \u00faj szond\u00e1k landol\u00f3mechanizmusa \u00e9s a mintav\u00e9teli mechanikus folyamatok kifejleszt\u00e9s\u00e9ben.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong><a href=\"https:\/\/m.hvg.hu\/tudomany\/20201029_67p_csurjumov_geraszimenko_ustokos_belseje_philae_robot_landolasa_esa#rss\" target=\"_blank\" rel=\"noreferrer noopener\">\u00a0(hvg.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A 67P\/Csurjumov\u2013Geraszimenko \u00fcst\u00f6k\u00f6s belsej\u00e9nek vizsg\u00e1lata a Rosetta-misszi\u00f3 Philae lesz\u00e1ll\u00f3egys\u00e9g\u00e9nek m\u00e1sodik f\u00f6ldet \u00e9r\u00e9se r\u00e9v\u00e9n v\u00e1lt lehets\u00e9gess\u00e9, amikor az egys\u00e9g t\u00f6bb milli\u00e1rd \u00e9ves jeget t\u00e1rt fel. Az Eur\u00f3pai \u0170r\u00fcgyn\u00f6ks\u00e9g (ESA) most k\u00f6z\u00f6lte az elemz\u00e9s eredm\u00e9ny\u00e9t.<\/p>\n","protected":false},"author":12,"featured_media":34650,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,596,598,25,39],"tags":[7645],"class_list":["post-34649","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-erdekes","category-tudomany","category-videok","category-vilag","tag-ustokos"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/34649","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=34649"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/34649\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/34650"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=34649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=34649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=34649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}