{"id":21370,"date":"2022-07-26T15:57:13","date_gmt":"2022-07-26T15:57:13","guid":{"rendered":"https:\/\/test.otpor.media\/index.php\/2022\/07\/26\/https-otpor-media-pojavio-se-novi-tajanstveni-signal-iz-svemira-i-ponavlja-se\/"},"modified":"2022-07-26T15:57:13","modified_gmt":"2022-07-26T15:57:13","slug":"https-otpor-media-pojavio-se-novi-tajanstveni-signal-iz-svemira-i-ponavlja-se","status":"publish","type":"post","link":"https:\/\/otpor.media\/?p=21370","title":{"rendered":"Pojavio se novi tajanstveni signal iz svemira i ponavlja se"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Vje\u010dno je pitanje nas Zemljana &#8211; jesmo li sami? Ma koliko se na\u0161i znanstvenici trudili, jo\u0161 uvijek nemamo odgovor na taj misterij, ali malo malo nam stignu neke zanimljive vijesti tek toliko da nam zagolicaju ma\u0161tu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Naime, znanstvenici su ostali iznena\u0111eni signalima koje pu\u0161ta novotkriveni ponavljaju\u0107i izvor radiovalova FRB 190520B. On je prvi put otkriven 2019. godine, ali znanstvenici nisu znali to\u010dno \u0161to ih proizvodi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Science Alert pi\u0161e kako je sada utvr\u0111eno kako FRB \u010desto ispu\u0161ta rafale sna\u017enih radiovalova koji traju jednu milisekundu. Znanstvenici su proveli analizu i otkrili odakle dolaze te su zaklju\u010dili \u0161to bi to moglo biti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Brze provale radiovalova jedan su od najfascinantnijih misterija u svemiru, veoma su sna\u017ene i osloba\u0111aju energiju ekvivalentnu 500 milijuna sun\u010deve energije. Signali su kratkotrajni i nepredvidljivi, obi\u010dno se pojave iznenada na nekom dijelu neba i traju nekoliko milisekundi. Ve\u0107ina njih dolazi iz drugih galaksija, a samo je jedan izvor otkriven u Mlije\u010dnoj stazi.<\/p>\n\n\n\n<p class=\"has-luminous-vivid-amber-color has-text-color wp-block-paragraph\"><strong>Proizdvodi ga magnetar?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ponavljaju\u0107i FRB-ovi su vrlo rijetki i zbog toga fasciniraju i privla\u010de znansrvenike. Oni se javljaju rijetko, svakih nekoliko mjeseci ili dana, ali su uvijek u pravilnim razmacima. Do sada su otkrivena tri ovakva slu\u010daja, spomenuti FRB otkrio je kineski teleskop i detektirano je da signal dolazi s ruba jako stare patuljaste galaksije, udaljene gotovo \u010detiri milijarde svjetlosnih godina.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Osim radiovalova, FRB emtiria i slabije radioemisije, \u0161to zna\u010di da dolaze iz kompaktnog i postojanog radioizvora, \u010dija je priroda, za sada, nepoznata.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Znanstvenici smatraju da mogu postojati najmanje dva razli\u010dita mehanizma iza nastanka FRB-a: provale emitiraju razli\u010diti objekti ili ih emitira ista vrsta objekta u razli\u010ditim fazama svoje evolucije. Poput recimo magnetara.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Magnetari su vrsta neutronske zvijezde koja je nastala nakon \u0161to se uru\u0161ila masivna zvijezda i postala supernova, a koja ima izuzetno sna\u017eno magnetsko polje. Postoji mogu\u0107nost da normalne neutronske zvijezde i magnetari emitiraju FRB na razli\u010dite na\u010dine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/klik.hr\/novo\/znanstvenici-u-cudu-pojavio-se-novi-tajanstveni-signal-iz-svemira-i-ponavlja-se\" target=\"_blank\" rel=\"noreferrer noopener\">Klik.hr<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vje\u010dno je pitanje nas Zemljana &#8211; jesmo li sami? Ma koliko se na\u0161i znanstvenici trudili, jo\u0161 uvijek nemamo odgovor na taj misterij, ali malo malo nam stignu neke zanimljive vijesti tek toliko da nam zagolicaju ma\u0161tu. Naime, znanstvenici su ostali iznena\u0111eni signalima koje pu\u0161ta novotkriveni ponavljaju\u0107i izvor radiovalova FRB 190520B. On je prvi put otkriven [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12394,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[93],"tags":[],"class_list":["post-21370","post","type-post","status-publish","format-standard","has-post-thumbnail","category-zanimljivosti-misteriji"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Pojavio se novi tajanstveni signal iz svemira i ponavlja se - OTPOR.Media<\/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:\/\/otpor.media\/?p=21370\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pojavio se novi tajanstveni signal iz svemira i ponavlja se\" \/>\n<meta property=\"og:description\" content=\"Vje\u010dno je pitanje nas Zemljana &#8211; jesmo li sami? Ma koliko se na\u0161i znanstvenici trudili, jo\u0161 uvijek nemamo odgovor na taj misterij, ali malo malo nam stignu neke zanimljive vijesti tek toliko da nam zagolicaju ma\u0161tu. Naime, znanstvenici su ostali iznena\u0111eni signalima koje pu\u0161ta novotkriveni ponavljaju\u0107i izvor radiovalova FRB 190520B. 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