{"id":83198,"date":"2021-12-16T22:28:00","date_gmt":"2021-12-16T20:28:00","guid":{"rendered":"http:\/\/life.karpat.in.ua\/?p=83198"},"modified":"2021-12-16T13:32:45","modified_gmt":"2021-12-16T11:32:45","slug":"munkaba-allt-az-egi-orszem-ez-vedi-a-foldet-a-legveszelyesebb-aszteroidaktol-video","status":"publish","type":"post","link":"https:\/\/life.karpat.in.ua\/?p=83198&lang=hu","title":{"rendered":"Munk\u00e1ba \u00e1llt az \u00e9gi \u0151rszem, ez v\u00e9di a F\u00f6ldet a legvesz\u00e9lyesebb aszteroid\u00e1kt\u00f3l (vide\u00f3)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>B\u00e1r az \u0171rteleszk\u00f3pok seg\u00edts\u00e9g\u00e9vel m\u00e1r sz\u00e1mos kisbolyg\u00f3t azonos\u00edtottak a NASA szakemberei, sok olyan van, amit m\u00e9g nem. Ez\u00e9rt is k\u00e9sz\u00fclt el a Sentry-II nev\u0171, igen fejlett szoftver, mely adott esetben ak\u00e1r \u00e9letment\u0151 is lehet.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Egy hosszabb blogbejegyz\u00e9sben jelentette be minap a NASA, hogy munk\u00e1ba \u00e1llt az \u00faj, aszteroidafigyel\u0151 rendszer\u00fck, a Sentry-II. A gyakorlatban egy igen fejlett szoftverr\u0151l van sz\u00f3, ami azt vizsg\u00e1lja majd, hogy a beazonos\u00edtott kisbolyg\u00f3k \u00f6ssze\u00fctk\u00f6zhetnek-e a F\u00f6lddel.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/d2pn8kiwq2w21t.cloudfront.net\/images\/1_orbital-diagram.width-1320.jpg\" alt=\"\"\/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">A NASA m\u00e9rn\u00f6kei eddig mintegy 28 ezer f\u00f6ldk\u00f6zeli kisbolyg\u00f3t (ear-Earth asteroids, NEAs) fedeztek fel a t\u00e1vcs\u00f6ves m\u00e9r\u00e9sekkel. Ez a sz\u00e1m azonban nem v\u00e9ges, hiszen rengeteg olyan objektum lehet m\u00e9g, amit eddig \u00e9szre sem vettek.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ahogy az \u0171rkutat\u00e1si hivatal r\u00e1mutat, az emberek legt\u00f6bbje azt hiszi, hogy az \u0171rszikl\u00e1k csak \u00fagy ide-oda repkednek a Naprendszerben, \u00e9s ez\u00e1ltal komoly fenyeget\u00e9st jelentenek. A val\u00f3s\u00e1g azonban m\u00e1s: a fizika t\u00f6rv\u00e9nyei alapj\u00e1n minden kisbolyg\u00f3 egy j\u00f3l meghat\u00e1rozhat\u00f3 p\u00e1ly\u00e1t j\u00e1r be, amit mindv\u00e9gig nyomon lehet k\u00f6vetni. Ez a fajta monitoroz\u00e1s viszont prec\u00edz sz\u00e1m\u00edt\u00e1st ig\u00e9nyel, hiszen a pontatlans\u00e1gb\u00f3l komoly probl\u00e9m\u00e1k ad\u00f3dhatnak. P\u00e9ld\u00e1ul az is, hogy nem tudjuk meghat\u00e1rozni egy esetleges j\u00f6v\u0151beli tal\u00e1lkoz\u00e1s idej\u00e9t, es\u00e9ly\u00e9t.<\/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=\"OSIRIS-REx Sheds Light on Hazardous Asteroid Bennu\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"667f311becde6\" data-src=\"https:\/\/www.youtube.com\/embed\/Cb9IL8AqrGA?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(\"667f311becde6\");<\/script><noscript><iframe title=\"OSIRIS-REx Sheds Light on Hazardous Asteroid Bennu\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"6a236f813814d\" data-src=\"https:\/\/www.youtube.com\/embed\/Cb9IL8AqrGA?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(\"6a236f813814d\");<\/script><noscript><iframe title=\"OSIRIS-REx Sheds Light on Hazardous Asteroid Bennu\" width=\"500\" height=\"281\" data-mhmlazyloadvideo=\"667f311becde6\" data-src=\"https:\/\/www.youtube.com\/embed\/Cb9IL8AqrGA?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(\"667f311becde6\");<\/script><noscript><iframe loading=\"lazy\" title=\"OSIRIS-REx Sheds Light on Hazardous Asteroid Bennu\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Cb9IL8AqrGA?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 NASA ez\u00e9rt is m\u0171k\u00f6dteti CNEOS (Near Earth Object Studies) nev\u0171 k\u00f6zpontj\u00e1t, mely a f\u00f6ldk\u00f6zeli kisbolyg\u00f3kat hivatott figyelni. A csoport ehhez ugyan\u00fagy a sz\u00e1m\u00edt\u00f3g\u00e9pre t\u00e1maszkodik, \u00e9s a 2002-ben fejlesztett, m\u00e9g els\u0151 gener\u00e1ci\u00f3s Sentryre. Az\u00f3ta viszont eltelt majdnem k\u00e9t \u00e9vtized, mely a program moderniz\u00e1ci\u00f3j\u00e1t is egyre s\u00fcrget\u0151bb\u00e9 tette. Ezt v\u00e9gezt\u00e9k el mostan\u00e1ban, a m\u00e1r eml\u00edtett Sentry-II \u00fczembe helyez\u00e9s\u00e9vel. Ugyanakkor az els\u0151 szoftverv\u00e1ltozat sem volt gyenge: a rendszer a NASA szerint egy \u00f3ra alatt meg tudta mondani, hogy a k\u00f6vetkez\u0151 100 \u00e9vben v\u00e1rhat\u00f3-e valamilyen becsap\u00f3d\u00e1s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Sentry-II viszont enn\u00e9l is hat\u00e9konyabban \u00e9s gyorsabban dolgozik majd, mik\u00f6zben az olyan alacsony val\u00f3sz\u00edn\u0171s\u00e9gekn\u00e9l is alkalmazhat\u00f3 lesz, mint az egy a t\u00edzmilli\u00f3hoz. A m\u00e1sik, hogy a rendszer n\u00e9h\u00e1ny kor\u00e1bban m\u00e9g manu\u00e1lisan elv\u00e9gzett sz\u00e1m\u00edt\u00e1st m\u00e1r emberi r\u00e1seg\u00edt\u00e9s n\u00e9lk\u00fcl old meg, ami \u00fajabb jelent\u0151s seg\u00edts\u00e9g a kutat\u00f3knak.<\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><strong><a href=\"https:\/\/m.hvg.hu\/tudomany\/20211215_nasa_sentry_ii_aszteroida_becsapodas_csillagaszat_urkutatas_urtavcso_urteleszkop#rss\" target=\"_blank\" rel=\"noreferrer noopener\">(hvg.hu)<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e1r az \u0171rteleszk\u00f3pok seg\u00edts\u00e9g\u00e9vel m\u00e1r sz\u00e1mos kisbolyg\u00f3t azonos\u00edtottak a NASA szakemberei, sok olyan van, amit m\u00e9g nem. Ez\u00e9rt is k\u00e9sz\u00fclt el a Sentry-II nev\u0171, igen fejlett szoftver, mely adott esetben ak\u00e1r \u00e9letment\u0151 is lehet.<\/p>\n","protected":false},"author":12,"featured_media":83199,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,596,592,598,25,39],"tags":[2745,2746,77329,10611],"class_list":["post-83198","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cikkek","category-erdekes","category-tarsadalom","category-tudomany","category-videok","category-vilag","tag-aszteroida","tag-fold","tag-sentry-ii","tag-vilagur"],"_links":{"self":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/83198","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=83198"}],"version-history":[{"count":0,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/posts\/83198\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=\/wp\/v2\/media\/83199"}],"wp:attachment":[{"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=83198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=83198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/life.karpat.in.ua\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=83198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}