{"id":1115,"date":"2020-11-26T10:32:03","date_gmt":"2020-11-26T10:32:03","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=1115"},"modified":"2020-11-26T10:32:03","modified_gmt":"2020-11-26T10:32:03","slug":"water-vapor-detected-on-small-cloudless-exoplanet","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/ro\/science\/astronomy-and-astrophysics\/water-vapor-detected-on-small-cloudless-exoplanet\/","title":{"rendered":"Detectarea vaporilor de ap\u0103 pe exoplanete mici \u0219i f\u0103r\u0103 nori: O etap\u0103 important\u0103 \u00een cercetarea exoplanetelor"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Vapori de ap\u0103 detecta\u021bi pe o exoplanet\u0103 mic\u0103, f\u0103r\u0103 nori: O etap\u0103 \u00een cercetarea exoplanetelor<\/h2>\n\n<h2 class=\"wp-block-heading\">Descoperire<\/h2>\n\n<p>Astronomii NASA au f\u0103cut o descoperire revolu\u021bionar\u0103: detectarea vaporilor de ap\u0103 \u00een atmosfera unei exoplanete mici, f\u0103r\u0103 nori, cunoscut\u0103 sub numele de HAT-P-11b. Aceasta este prima dat\u0103 c\u00e2nd vaporii de ap\u0103 au fost detecta\u021bi pe o exoplanet\u0103 de aceast\u0103 dimensiune, deschiz\u00e2nd noi posibilit\u0103\u021bi pentru studierea atmosferei unor planete mai mici, poten\u021bial asem\u0103n\u0103toare cu P\u0103m\u00e2ntul.<\/p>\n\n<p>Descoperirea a fost f\u0103cut\u0103 folosind o combina\u021bie a telescoapelor Hubble, Spitzer \u0219i Kepler. Prin observarea schimb\u0103rilor de lumin\u0103 pe m\u0103sur\u0103 ce HAT-P-11b trecea \u00een fa\u021ba stelei sale, astronomii au putut analiza compozi\u021bia atmosferei sale.<\/p>\n\n<h2 class=\"wp-block-heading\">Semnifica\u021bie<\/h2>\n\n<p>Aceast\u0103 descoperire este un reper semnificativ \u00een cercetarea exoplanetelor. Anterior, aceast\u0103 metod\u0103 de analiz\u0103 atmosferic\u0103 putea fi aplicat\u0103 doar unor gigan\u021bi gazo\u0219i mari precum Jupiter. Planetele mai mici erau fie prea mici, fie prea \u00eennorate pentru a ob\u021bine observa\u021bii semnificative.<\/p>\n\n<p>Atmosfera limpede, f\u0103r\u0103 nori, a HAT-P-11b a permis astronomilor s\u0103 ob\u021bin\u0103 o imagine clar\u0103 a compozi\u021biei sale atmosferice. Analiza a dezv\u0103luit c\u0103 atmosfera este compus\u0103 \u00een principal din hidrogen, cu o cantitate semnificativ\u0103 de vapori de ap\u0103.<\/p>\n\n<h2 class=\"wp-block-heading\">Implica\u021bii<\/h2>\n\n<p>Descoperirea vaporilor de ap\u0103 pe HAT-P-11b are mai multe implica\u021bii importante. \u00cen primul r\u00e2nd, sugereaz\u0103 c\u0103 apa ar putea fi mai r\u0103sp\u00e2ndit\u0103 \u00een atmosferele exoplanetelor dec\u00e2t se credea anterior. \u00cen al doilea r\u00e2nd, ofer\u0103 o nou\u0103 \u021bint\u0103 pentru studii viitoare ale atmosferei exoplanetelor, \u00een special a celor ale planetelor st\u00e2ncoase mai mici, mai asem\u0103n\u0103toare cu P\u0103m\u00e2ntul.<\/p>\n\n<h2 class=\"wp-block-heading\">Caracteristicile HAT-P-11b<\/h2>\n\n<p>HAT-P-11b este o exoplanet\u0103 mic\u0103, de m\u0103rimea lui Neptun. Este situat\u0103 \u00een constela\u021bia Cygnus, la aproximativ 124 de ani-lumin\u0103 de P\u0103m\u00e2nt. Planeta orbiteaz\u0103 \u00een jurul stelei sale \u00een doar cinci zile, comparativ cu orbita de 88 de zile a lui Mercur \u00een jurul Soarelui. HAT-P-11b are o temperatur\u0103 estimat\u0103 a suprafe\u021bei de 1120 grade Fahrenheit.<\/p>\n\n<h2 class=\"wp-block-heading\">Cercet\u0103ri viitoare<\/h2>\n\n<p>Descoperirea vaporilor de ap\u0103 pe HAT-P-11b deschide noi c\u0103i interesante pentru cercetarea exoplanetelor. Studiile viitoare vor avea ca scop:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Analiza compozi\u021biei atmosferice a planetelor st\u00e2ncoase mai mici<\/li>\n<li>Determinarea prevalen\u021bei vaporilor de ap\u0103 \u00een atmosferele exoplanetelor<\/li>\n<li>C\u0103utarea semnelor de via\u021b\u0103 \u00een atmosferele exoplanetelor<\/li>\n<li>\u00cen\u021belegerea form\u0103rii \u0219i evolu\u021biei atmosferei exoplanetelor<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Concluzie<\/h2>\n\n<p>Detec\u021bia vaporilor de ap\u0103 pe HAT-P-11b este o descoperire major\u0103 \u00een cercetarea exoplanetelor. Ofer\u0103 noi perspective asupra compozi\u021biei \u0219i evolu\u021biei atmosferei exoplanetelor \u0219i deschide calea pentru studii viitoare ale unor planete mai mici, poten\u021bial locuibile.<\/p>","protected":false},"excerpt":{"rendered":"<p>Vapori de ap\u0103 detecta\u021bi pe o exoplanet\u0103 mic\u0103, f\u0103r\u0103 nori: O etap\u0103 \u00een cercetarea exoplanetelor Descoperire Astronomii NASA au f\u0103cut o descoperire revolu\u021bionar\u0103: detectarea vaporilor de ap\u0103 \u00een atmosfera unei&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1836],"tags":[1216,435,2572,982,1662],"class_list":["post-1115","post","type-post","status-publish","format-standard","hentry","category-astronomy-and-astrophysics","tag-astrobiology","tag-astronomy","tag-atmosphere","tag-exoplanets","tag-water-vapor"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/1115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/comments?post=1115"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/1115\/revisions"}],"predecessor-version":[{"id":1116,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/posts\/1115\/revisions\/1116"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/media?parent=1115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/categories?post=1115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/ro\/wp-json\/wp\/v2\/tags?post=1115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}