{"id":51652,"date":"2025-12-13T19:45:29","date_gmt":"2025-12-13T19:45:29","guid":{"rendered":"https:\/\/247stiri.ro\/index.php\/2025\/12\/13\/astrologii-au-surprins-o-gaura-neagra-care-deformeaza-spatiul-timp-tot-ce-stiam-ar-putea-fi-dat-peste-cap\/"},"modified":"2025-12-13T19:45:29","modified_gmt":"2025-12-13T19:45:29","slug":"astrologii-au-surprins-o-gaura-neagra-care-deformeaza-spatiul-timp-tot-ce-stiam-ar-putea-fi-dat-peste-cap","status":"publish","type":"post","link":"https:\/\/247stiri.ro\/index.php\/2025\/12\/13\/astrologii-au-surprins-o-gaura-neagra-care-deformeaza-spatiul-timp-tot-ce-stiam-ar-putea-fi-dat-peste-cap\/","title":{"rendered":"Astrologii au surprins o gaur\u0103 neagr\u0103 care deformeaz\u0103 spa\u021biul-timp. Tot ce \u0219tiam ar putea fi dat peste cap"},"content":{"rendered":"

Descoperirea a fost prezentat\u0103 \u00een revista Science Advances \u0219i se refer\u0103 la o stea distrus\u0103 de o gaur\u0103 neagr\u0103 supermasiv\u0103 aflat\u0103 \u00een rota\u021bie rapid\u0103. Evenimentul este cunoscut sub denumirea AT2020afhd \u0219i se \u00eencadreaz\u0103 \u00een categoria \u201etidal disruption event\u201d (TDE).<\/p>\n

Precesia Lense\u2013Thirring<\/p>\n

Cercet\u0103torii au remarcat oscila\u021bii \u00een orbita stelei, generate de fenomenul numit precesie Lense\u2013Thirring. Acesta apare atunci c\u00e2nd o gaur\u0103 neagr\u0103 aflat\u0103 \u00een rota\u021bie atrage spa\u021biul-timp din jurul s\u0103u. Efectul a fost descris pentru prima dat\u0103 \u00een 1918 de fizicienii Josef Lense \u0219i Hans Thirring, dar p\u00e2n\u0103 acum a fost extrem de dificil de observat direct.<\/p>\n

Datele analizate de NASA \u0219i VLA<\/p>\n

Pentru aceast\u0103 cercetare au fost folosite informa\u021bii \u00een raze X ob\u021binute de observatorul spa\u021bial Neil Gehrels Swift al NASA, precum \u0219i semnale radio colectate de re\u021beaua Karl G. Jansky Very Large Array.<\/p>\n

Un vizitator cosmic misterios trece pe l\u00e2ng\u0103 Marte: cometa interstelar\u0103 3I\/ATLAS arunc\u0103 ap\u0103 \u00een spa\u021biu \u201eca un furtun de pompieri\u201d<\/a><\/p>\n

Fluctua\u021biile sincronizate<\/p>\n

Cercet\u0103torii au descoperit fluctua\u021bii sincronizate \u00een emisiile X \u0219i radio, repetate la intervale de 20 de zile terestre. Aceste varia\u021bii au ar\u0103tat c\u0103 procesul prin care un corp ceresc atrage materie din spa\u021biu \u0219i jetul asociat se mi\u0219c\u0103 oscilatoriu \u00een acela\u0219i ritm.<\/p>\n

Aceast\u0103 mi\u0219care coordonat\u0103 a demonstrat c\u0103 varia\u021biile observate sunt provocate de efectul de \u201eframe-dragging\u201d, cunoscut ca \u201etragerea\u201d spa\u021biului-timp, \u0219i nu de modific\u0103ri ale energiei emise.<\/p>\n

\u00cen timpul acestor evenimente, materialul provenit din stea formeaz\u0103 un disc de cre\u0219tere \u00een jurul g\u0103urii negre. O parte din materie este expulzat\u0103 sub form\u0103 de jeturi extrem de puternice, care ating viteze apropiate de viteza luminii.<\/p>\n

Influen\u021ba relativist\u0103<\/p>\n

Pentru c\u0103 aceste structuri se afl\u0103 foarte aproape de gaura neagr\u0103, mi\u0219carea lor este puternic influen\u021bat\u0103 de efecte relativiste descrise de teoria lui Einstein. Aceste efecte pot fi observate doar \u00een condi\u021bii extreme, precum deformarea spa\u021biului-timp.<\/p>\n

Oamenii de \u0219tiin\u021b\u0103 au declarat c\u0103 aceast\u0103 observa\u021bie ofer\u0103 o nou\u0103 metod\u0103 de a m\u0103sura rota\u021bia g\u0103urilor negre \u0219i de a \u00een\u021belege modul \u00een care aceste obiecte cosmice acumuleaz\u0103 materie \u0219i genereaz\u0103 jeturi.<\/p>\n

NASA trage un semnal de alarm\u0103: oxigenul de pe P\u0103m\u00e2nt ar putea disp\u0103rea \u00eentr-o zi<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Descoperirea a fost prezentat\u0103 \u00een revista Science Advances \u0219i se refer\u0103 la o stea distrus\u0103…<\/p>\n","protected":false},"author":0,"featured_media":51653,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-51652","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actual"],"_links":{"self":[{"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/posts\/51652","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/comments?post=51652"}],"version-history":[{"count":0,"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/posts\/51652\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/media\/51653"}],"wp:attachment":[{"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/media?parent=51652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/categories?post=51652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/247stiri.ro\/index.php\/wp-json\/wp\/v2\/tags?post=51652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}