{"id":3699,"date":"2026-02-23T00:59:51","date_gmt":"2026-02-23T00:59:51","guid":{"rendered":"https:\/\/terrarara.com.br\/en\/?page_id=3699"},"modified":"2026-02-23T00:59:51","modified_gmt":"2026-02-23T00:59:51","slug":"algo-esta-ticando-perto-do-buraco-negro-supermassivo-da-via-lactea","status":"publish","type":"page","link":"https:\/\/terrarara.com.br\/en\/?page_id=3699","title":{"rendered":"Something is &#8216;ticking&#8217; near the milky way&#8217;s supermassive black hole"},"content":{"rendered":"<div class=\"wp-block-image\"><figure><img decoding=\"async\" src=\"https:\/\/vendedoradesonhos.com.br\/upload\/1\/sites\/26\/img_41729_1200.gif\" alt=\"\" style=\"width:100%\"><figcaption>Pulsar Vela &#8211; Image via <a href=\"https:\/\/svs.gsfc.nasa.gov\/14434\/\" target=\"_blank\">NASA<\/a><\/figcaption><\/figure><\/div><hr><\/p><p>\r\n\t<a href=\"https:\/\/doi.org\/10.3847\/1538-4357\/ae336c\" target=\"_blank\">doi.org\/10.3847\/1538-4357\/ae336c<\/a><br><a href=\"https:\/\/vendedoradesonhos.com.br\/credibilidade_estudo.php?c=41729\">Credibility<\/a>: <font color=\"#00FFFF\">9<\/font><font color=\"#00FF00\">8<\/font><font color=\"#FFFF00\">9<\/font><br><a href='http:\/\/terrarara.com.br\/en\"s=pulsar'>#Pulsar<\/a><\/p><p><\/p><p>\r\n\t<!-- audio --><\/p><p>\r\n<button onclick=\"this.nextElementSibling.play()\" style=\"padding:12px 25px; font-size:18px; border:none; border-radius:8px; cursor:pointer;\">Listen<\/button><audio src=\"https:\/\/vendedoradesonhos.com.br\/audios\/41729-eng.mp3\" preload=\"none\"><\/audio><\/p><p>\r\n\t<strong>At the heart of our galaxy, the Milky Way, lies a supermassive black hole called Sagittarius A&#8221;, with a mass equivalent to about four million times that of the Sun<\/strong><\/p><p> This central region is extremely chaotic and teeming with stars, gases, and intense gravitational forces.<\/p><p>\r\nNow, astronomers have announced an intriguing discovery: they have detected a signal that appears to come from an object spinning at an impressive speed, very close to this black hole.\r\n<\/p><p>\r\nIt is a possible millisecond pulsar, a type of superdense neutron star remnant of the explosion of a very large star.<\/p><p>\r\nThese pulsars spin so fast that they emit beams of radio waves like cosmic lighthouses.<\/p><p>\r\nIn the case of this object, it completes a revolution every 8.19 milliseconds-that is, it &#8220;rings&#8221; like an extremely precise clock more than 120 times per second.\r\n<\/p><p>\r\nResearchers at Columbia University, in partnership with the Breakthrough Listen project, made this detection during one of the most sensitive searches ever conducted for radio signals in the galactic center.<\/p><p>\r\nThe region is difficult to observe due to the large amount of interference and dust, but the signal appeared promising and regular.\r\n<\/p><p>\r\nWhat makes this discovery so special is its location: the pulsar (if confirmed) is very close to the supermassive black hole.<\/p><p>\r\nOrdinary pulsars already function as incredibly precise cosmic clocks, but a pulsar orbiting or very close to a giant black hole could reveal new information about gravity and the very structure of spacetime.\r\n<\/p><p>\r\nAccording to Einstein&#8217;s theory of General Relativity, the strong gravity near a black hole curves space and alters time.<\/p><p>\r\nThis would cause the pulsar&#8217;s &#8220;ticks&#8221; to reach us with small, predictable variations or delays.<\/p><p>\r\nBy measuring these changes with great precision, scientists could test Einstein&#8217;s theory in an environment of extreme gravity, something that has not yet been done so directly near a supermassive black hole.\r\n<\/p><p>\r\nFor now, the object is only a &#8220;candidate&#8221;-astronomers need more observations to confirm whether the signal really comes from a pulsar and not from another source.<\/p><p>\r\nMeanwhile, all the collected data is being made publicly available so that other scientists around the world can analyze it and contribute to the investigation.\r\n<\/p><p>\r\nIf confirmed, this &#8220;cosmic clock&#8221; near Sagittarius A&#8221; could open a new window to a better understanding of how gravity works in the most extreme conditions of the universe-and, incidentally, reveal more secrets about the center of our own galaxy.\r\n<\/p><p>\r\n<blockquote class=\"twitter-tweet\" data-media-max-width=\"560\"><p lang=\"en\" dir=\"ltr\">??<br>Something is &#39;ticking&#39; near the milky way&#39;s supermassive black hole<a href=\"https:\/\/twitter.com\/hashtag\/Pulsar'src=hash&amp;ref_src=twsrc%5Etfw\">#Pulsar<\/a><br><br>At the heart of our galaxy, the Milky Way, lies a supermassive black hole called Sagittarius A&quot;, with a mass equivalent to about four million times that of the Sun:<br>DOI: 10.3847\/1538-4357\/ae336c <a href=\"https:\/\/t.co\/LZXf5UMzUJ\">pic.twitter.com\/LZXf5UMzUJ<\/a><\/p>&mdash; Rare Earth (@rareearth0) <a href=\"https:\/\/twitter.com\/rareearth0\/status\/2025748190926925999?ref_src=twsrc%5Etfw\">February 23, 2026<\/a><\/blockquote> <script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\r\n<hr>\r\n\r\n<p style=\"text-align:right\"><em>Published in 02\/23\/2026 00h59<\/em><\/p>\r\n<hr>\r\n<p style=\"text-align:right\"><em><a href=\"https:\/\/terrarara.com.br\/?page_id=26579\">Portuguese version<\/a><\/em><\/p>\r\n<hr>\r\n\r\n\t\t<p>Text adapted by AI (Grok) and translated via Google API in the English version. Images from public image libraries or credits in the caption. Information about DOI, author and institution can be found in the body of the article.<\/p>\r\n\t\t<hr>\r\n\t\t<p>Reference article:<\/p>\r\n\t\t\r\n\t\t\r\n\r\n\r\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/scitechdaily.com\/something-is-ticking-near-the-milky-ways-supermassive-black-hole\/\" target=\"_blank\">https:\/\/scitechdaily.com\/something-is-ticking-near-the-milky-ways-supermassive-black-hole\/<\/a><\/li><\/ul>\r\n\r\n\r\n<p>Original study: <\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/doi.org\/10.3847\/1538-4357\/ae336c\" target=\"_blank\">https:\/\/doi.org\/10.3847\/1538-4357\/ae336c<\/a><\/li><\/ul>\r\n\r\n\r\n\r\n<hr class=\"wp-block-separator is-style-wide\"\/>\r\n\r\n<div style=\"position: buttonline;\"><iframe loading=\"lazy\" src=\"https:\/\/vendedoradesonhos.com.br\/rodape_sites.php?arg=41729\" frameborder=\"0\" height=\"420px\" width=\"100%\"><\/iframe><\/div>\r\n<div style=\"position: buttonline;\"><iframe loading=\"lazy\" src=\"https:\/\/vendedoradesonhos.com.br\/comentario_navegacao.php?arg=41729\" frameborder=\"0\" height=\"500px\" width=\"100%\"><\/iframe><\/div>\r\n<div style=\"position:absolute; width:40%; height:70px; top:-70px; left:0px;\"><iframe loading=\"lazy\" src=\"https:\/\/vendedoradesonhos.com.br\/oferta_site_esq.php?arg=41729\" frameborder=\"0\" height=\"100%\" width=\"100%\"><\/iframe><\/div>\r\n<div style=\"position:absolute; width:40%; height:70px; top:-70px; right:0px;\"><iframe loading=\"lazy\" src=\"https:\/\/vendedoradesonhos.com.br\/oferta_site_dir.php?arg=41729\" frameborder=\"0\" height=\"100%;\" width=\"100%\"><\/iframe><\/div>\r\n\r\n\r\n<div class=\"wp-block-image\"><figure><iframe loading=\"lazy\" src=\"https:\/\/vendedoradesonhos.com.br\/oferta_site_centralus.php\" width=\"100%\" height=\"330\" frameborder=\"0\"><\/iframe><figcaption>{teste}<\/figcaption><\/figure><\/div><hr>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":91,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3699","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=\/wp\/v2\/pages\/3699","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3699"}],"version-history":[{"count":0,"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=\/wp\/v2\/pages\/3699\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=\/wp\/v2\/pages\/91"}],"wp:attachment":[{"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}