{"id":21059654,"date":"2020-11-12T23:47:00","date_gmt":"2020-11-12T22:47:00","guid":{"rendered":"https:\/\/geek.hr\/znanost\/?p=21059654"},"modified":"2020-11-13T00:47:28","modified_gmt":"2020-11-12T23:47:28","slug":"asteroid-apophis-ubrzava-a-znanstvenici-preracunavaju-sanse-za-udar-2068-godine","status":"publish","type":"post","link":"https:\/\/geek.hr\/znanost\/clanak\/asteroid-apophis-ubrzava-a-znanstvenici-preracunavaju-sanse-za-udar-2068-godine\/","title":{"rendered":"Asteroid Apophis ubrzava, a znanstvenici prera\u010dunavaju \u0161anse za udar 2068. godine"},"content":{"rendered":"\n<p>Asteroid Apophis, koji je dobio ime po egipatskom bogu kaosa, ubrzava i pribli\u017eava se Zemlji, a znanstvenici su izra\u010dunali kad bi mogao sti\u0107i do na\u0161eg planeta. Ipak, navode da je mala vjerojatnost da \u0107e udariti u Zemlju. <\/p>\n\n\n\n<p>Prema posljednjim prora\u010dunima astronoma, asteroid bi se trebao pribli\u017eiti Zemlji 2068. godine, a \u0161ansa da pogodi na\u0161 planet je 1 prema 150.000, pi\u0161e <em><a href=\"https:\/\/www.livescience.com\/asteroid-apophis-acceleration-2068-impact-chance.html\" target=\"_blank\" rel=\"noreferrer noopener\">Live Science<\/a><\/em>. <\/p>\n\n\n\n<p>Apophis ubrzava zahvaljuju\u0107i tzv. Jarkovsky\u00a0efektu, odnosno razli\u010ditim temperaturama hemisfera asteroida, zbog \u010dega mu se mijenja i orbita, objasnio je David Tholen, astronom sa Sveu\u010dili\u0161ta Havaji.<\/p>\n\n\n\n<p>Spomenuti asteroid otkriven je 2004. godine i od tad je pod stalnim nadzorom astronoma. <\/p>\n\n\n\n<p>Iako su znanstvenici precizno izra\u010dunali kad bi se ovaj asteroid mogao pribli\u017eiti Zemlji, jo\u0161 ne mogu sa sigurno\u0161\u0107u tvrditi da \u0107e nas i proma\u0161iti, jer jo\u0161 ne mogu izra\u010dunati utjecaj solarnih vjetrova i Sun\u010deve gravitacije na putanju asteroida. <\/p>\n\n\n\n<p>Prvi bliski susret Zemlje sa Apophisom trebao bi biti ve\u0107 2029. godine, kad \u0107e ga jo\u0161 detaljnije prou\u010diti, a bit \u0107e vidljiv i golim okom. <\/p>\n\n\n\n<p>&#8220;Asteroid \u0107e biti najvidljiviji 13. travnja 2029. godine. To pribli\u017eavanje \u0107e biti kriti\u010dno jer \u0107emo na temelju njega mo\u0107i predvidjeti scenarije za budu\u0107nost&#8221;, rekao je Tholen.<\/p>\n\n\n\n<p>Znanstvenici su ranije predvi\u0111ali puno katastrofi\u010dnije ishode susreta Apophisa i Zemlje 2029. godine, izra\u010dunav\u0161i da postoji \u010dak 3 posto mogu\u0107nosti da asteroid udari u na\u0161 planet. Me\u0111utim, takva predvi\u0111anja su kasnijim prou\u010davanjem odba\u010dena. <\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube aligncenter wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Path Along Earth Where Apophis Astroid Will Be Visible on April 13, 2029\" width=\"880\" height=\"660\" src=\"https:\/\/www.youtube.com\/embed\/1PLIAgXjV9o?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Prema posljednjim prora\u010dunima astronoma, asteroid bi se trebao pribli\u017eiti Zemlji 2068. godine, a \u0161ansa da pogodi na\u0161 planet je 1 prema 150.000.<\/p>\n","protected":false},"author":10022,"featured_media":21059656,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[16323],"tags":[22297,17267,21039,22500,18333,22024],"class_list":["post-21059654","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-svemir","tag-apophis","tag-asteroid","tag-astronomi","tag-udar","tag-zemlja","tag-znanstvenici"],"modified_by":null,"_links":{"self":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21059654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/users\/10022"}],"replies":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/comments?post=21059654"}],"version-history":[{"count":0,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21059654\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media\/21059656"}],"wp:attachment":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media?parent=21059654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/categories?post=21059654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/tags?post=21059654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}