{"id":214695,"date":"2017-02-22T19:26:47","date_gmt":"2017-02-22T18:26:47","guid":{"rendered":"http:\/\/hudo.com\/si\/?p=214695"},"modified":"2017-02-22T19:26:47","modified_gmt":"2017-02-22T18:26:47","slug":"astronomi-40-svetlobnih-let-od-zemlje-odkrili-sistem-sedmih-planetov-katerih-velikost-je-podobna-zemljini","status":"publish","type":"post","link":"https:\/\/hudo.com\/si\/aktualno\/astronomi-40-svetlobnih-let-od-zemlje-odkrili-sistem-sedmih-planetov-katerih-velikost-je-podobna-zemljini\/","title":{"rendered":"Astronomi so 40 svetlobnih let od Zemlje odkrili sistem sedmih planetov, katerih velikost je podobna Zemljini"},"content":{"rendered":"<p>Kot so ugotovili znanstveniki, so vsi planeti v sistemu Trappist-1 po velikosti podobni Zemlji ali Veneri v na\u0161em Son\u010devem sistemu ali nekoliko manj\u0161i. Njihova specifi\u010dna te\u017ea tudi nakazuje, da je najmanj \u0161est planetov skalnatih po sestavi.<\/p>\n<p>Trije odkriti planeti le\u017eijo v obmo\u010dju, ki je primerno za naselitev, na njih pa bi tudi lahko bili oceani, s \u010dimer je ve\u010dja verjetnost, da bi lahko bilo v na novo odkritem sistemu tudi \u017eivljenje. Tokrat odkriti sistem planetov ima najve\u010dje \u0161tevilo planetov v velikosti Zemlje doslej in hkrati najve\u010dje \u0161tevilo planetov, ki bi na svojo povr\u0161ini lahko imeli teko\u010do vodo, je objavljeno v dana\u0161nji izdaji revije Nature.<\/p>\n<p>Znanstveniki so hkrati odkrili da ima najmanj \u0161est planetov v sistemu poleg velikosti, podobne Zemljini, tudi temperaturo, ki je podobna na\u0161emu planetu. Planete so poimenovali Trappist-1b, c, d, e, f, g in h.<\/p>\n<p>Vodilni avtor raziskave Michael Gillon iz STAR Instituta na belgijski univerzi Liege je nad odkritjem o\u010daran: &#8220;Gre za osupljiv sistem planetov, ne samo zato, ker smo odkrili toliko planetov, pa\u010d pa tudi zaradi tega, ker so planeti po velikosti presenetljivo podobni Zemlji&#8221;.<\/p>\n<p>Kot so \u0161e ugotovili znanstveniki, je star\u0161evska zvezda planetov Trappist-1 po drugi strani zelo majhna in naj bi imela zgolj osem odstotkov mase Sonca, kar pomeni, da je le malenkost ve\u010dja od Jupitra. Menijo, da se nahaja v ozvezdju Vodnarja in naj bi bila zelo mra\u010dna.<\/p>\n<p>Soavtor Amaury Triaud pojasnjuje: &#8220;Energija, ki jo oddaja pritlikava zvezda Trappist-1 je veliko \u0161ibkej\u0161a od tiste, ki jo oddaja na\u0161e Sonce. Da bi lahko na povr\u0161ini teh planetov bila voda, morajo biti planeti v bistveno bli\u017ejih orbitah, kot je to v na\u0161em Son\u010devem sistemu. Na sre\u010do se zdi, da je tovrstna kompaktna konfiguracija prav tisto, kar vidimo okrog pritlikavke Trappist-1.&#8221;<\/p>\n<p>Zaradi najnovej\u0161ega odkritja je sistem Trappist-1 \u017ee postal pomemben za prihodnje, nove raziskave. Vesoljski teleskop Hubble tako \u017ee preiskuje ozra\u010dja planetov. \u010clan raziskovalne skupine Emmanuel Jehin je navdu\u0161en nad mo\u017enostmi v prihodnosti: &#8220;Z naslednjimi generacijami teleskopov, kot sta Evropski izredno velik teleskop in teleskop James Webb, bomo kmalu sposobni iskati sledi vode in morda celo dokaze \u017eivljenja na teh planetih.&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Planete so odkrili s pomo\u010djo teleskopov z Zemlje in vesolja, ko so \u0161li mimo svoje star\u0161evske zvezde, izredno hladne pritlikave zvezde Trappist 1, so sporo\u010dili iz Evropskega ju\u017enega observatorija (ESO).<\/p>\n","protected":false},"author":8,"featured_media":214696,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1179],"tags":[5007,8005,8007,8006],"source":[4511],"supertag":[6103],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Astronomi so 40 svetlobnih let od Zemlje odkrili sistem sedmih planetov, katerih velikost je podobna Zemljini - Hudo Slovenija<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hudo.com\/si\/aktualno\/astronomi-40-svetlobnih-let-od-zemlje-odkrili-sistem-sedmih-planetov-katerih-velikost-je-podobna-zemljini\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Astronomi so 40 svetlobnih let od Zemlje odkrili sistem sedmih planetov, katerih velikost je podobna Zemljini - Hudo Slovenija\" \/>\n<meta property=\"og:description\" content=\"Planete so odkrili s pomo\u010djo teleskopov z Zemlje in vesolja, ko so \u0161li mimo svoje star\u0161evske zvezde, izredno hladne pritlikave zvezde Trappist 1, so sporo\u010dili iz Evropskega ju\u017enega observatorija (ESO).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hudo.com\/si\/aktualno\/astronomi-40-svetlobnih-let-od-zemlje-odkrili-sistem-sedmih-planetov-katerih-velikost-je-podobna-zemljini\/\" \/>\n<meta property=\"og:site_name\" content=\"Hudo Slovenija\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hudo.si\" \/>\n<meta property=\"article:published_time\" content=\"2017-02-22T18:26:47+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hudo.com\/si\/wp-content\/uploads\/sites\/2\/2017\/02\/profimedia-0321872666.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1250\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"M. 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