{"id":3770,"date":"2026-04-17T08:39:30","date_gmt":"2026-04-17T08:39:30","guid":{"rendered":"https:\/\/terrarara.com.br\/en\/?page_id=3770"},"modified":"2026-04-17T08:39:30","modified_gmt":"2026-04-17T08:39:30","slug":"estudo-mais-completo-do-cosmos-confirma-que-ainda-nao-conseguimos-explicar-a-expansao-do-universo","status":"publish","type":"page","link":"https:\/\/terrarara.com.br\/en\/?page_id=3770","title":{"rendered":"Most comprehensive study of the cosmos confirms we still can&#8217;t explain the expansion of the universe"},"content":{"rendered":"<div class=\"wp-block-image\"><figure><img decoding=\"async\" src=\"https:\/\/vendedoradesonhos.com.br\/upload\/1\/sites\/26\/img_41950_1200.jpg\" alt=\"\" style=\"width:100%\"><figcaption>An illustration of a cosmic &#8220;distance ladder? used to calculate the expansion rate of the universe. New research confirms, with the most thorough dataset ever, that something still doesn&#8221;t add up in our standard model of cosmology. (Image credit: CTIO\/NOIRLab\/DOE\/NSF\/AURA\/J. Pollard)<\/figcaption><\/figure><\/div><hr><\/p><p class=\"wp-block-paragraph\">\r\n\t<a href=\"https:\/\/doi.org\/10.1051\/0004-6361\/202557993\" target=\"_blank\">doi.org\/10.1051\/0004-6361\/202557993<\/a><br><a href=\"https:\/\/vendedoradesonhos.com.br\/credibilidade_estudo.php?c=41950\">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=expansion of the universe'>#expansion of the universe<\/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\/41950-mp3.mp3\" preload=\"none\"><\/audio><\/p><p>\r\n\t<strong>A new and comprehensive study, which brought together decades of independent research, shows that there is something wrong with our understanding of how the Universe expands<\/strong><\/p><p> The difference between the measurements is not an error or chance-it indicates that an important piece of current physics is missing.\r\n<\/p><p>\r\nAstronomers measure the rate of expansion of the Universe, called the Hubble constant, in two main ways.<\/p><p>\r\nOne uses the oldest light in the cosmos, the cosmic microwave background, which came shortly after the Big Bang.<\/p><p>\r\nThe other observes the nearby Universe, using stars and supernovae whose distances we know well.<\/p><p>\r\nThese two methods should give the same result, but they don&#8217;t.<\/p><p>\r\nThis discrepancy, known as Hubble tension, is too large to be explained by statistical uncertainties.\r\n<\/p><p>\r\nTo resolve the doubt, a large group of astronomers met, analyzed the best available data, and voted on the most reliable methods.<\/p><p>\r\nThe result, published in April 2026 in the journal Astronomy &#038; Astrophysics, is the most precise value ever obtained for the local expansion of the Universe: 73.50 km\/s per megaparsec, with only 1.09% uncertainty.<\/p><p>\r\nEven so, the tension remains.\r\n<\/p><p>\r\nRichard Anderson, one of the study&#8217;s authors, explains: &#8220;Comparing the value of the expansion measured in the nearby Universe with that measured in the primordial Universe tests basic physics on cosmic scales.<\/p><p>\r\nAnd the result says that something is missing.&#8221;\r\n<\/p><p>\r\n<b>A network of cosmic distances<\/b>\r\n<\/p><p>\r\nInstead of using just a traditional &#8220;distance ladder,&#8221; the researchers created a true network called the Local Distance Network.<\/p><p>\r\nIt brings together dozens of different measurement methods, with many intentional overlaps to reduce errors.<\/p><p>\r\nIf one method is removed (for example, that of Cepheid stars), the result hardly changes.<\/p><p>\r\nThis gives a lot of confidence to the work.\r\n<\/p><p>\r\nThe network relies on secure &#8220;anchors&#8221;: objects whose distances have been measured directly, such as by parallax (the same principle we use when we close one eye and then the other to see a finger &#8220;jump&#8221;).<\/p><p>\r\nThey used the galaxy NGC 4258, the Magellanic Clouds, variable stars in the Milky Way, old red giants, megamasers (true cosmic lasers), and more than 7,500 galaxies observed by telescopes such as Hubble and DESI, up to distances of more than a billion light-years.\r\n<\/p><p>\r\nJohn Blakeslee, another author, suggests that primordial magnetic fields could be one of the new explanations for the observed difference in the cosmic microwave background.\r\n<\/p><p>\r\nMost importantly, this work is not just a new number: it is an open and modular framework, built by the scientific community.<\/p><p>\r\nWith the new telescopes to come, it will be possible to test the ideas even better.<\/p><p>\r\nFor now, however, the message is clear: our current model of the cosmos is incomplete, and we need new physics to understand dark energy and the ultimate fate of the Universe.<\/p><p><\/p><p>\r\n<hr>\r\n\r\n<p class=\"wp-block-paragraph\" style=\"text-align:right\"><em>Published in 04\/17\/2026 08h39<\/em><\/p>\r\n<hr>\r\n<p style=\"text-align:right\"><em><a href=\"https:\/\/terrarara.com.br\/?page_id=26647\">Portuguese version<\/a><\/em><\/p>\r\n<hr>\r\n\r\n\t\t<p class=\"wp-block-paragraph\">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:\/\/www.livescience.com\/space\/somethings-missing-most-thorough-ever-study-of-the-cosmos-proves-we-still-cant-explain-how-the-universe-is-expanding\" target=\"_blank\">https:\/\/www.livescience.com\/space\/somethings-missing-most-thorough-ever-study-of-the-cosmos-proves-we-still-cant-explain-how-the-universe-is-expanding<\/a><\/li><\/ul>\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Original study: <\/p>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/doi.org\/10.1051\/0004-6361\/202557993\" target=\"_blank\">https:\/\/doi.org\/10.1051\/0004-6361\/202557993<\/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=41950\" 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=41950\" 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=41950\" 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=41950\" 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":69,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3770","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=\/wp\/v2\/pages\/3770","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=3770"}],"version-history":[{"count":0,"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=\/wp\/v2\/pages\/3770\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=\/wp\/v2\/pages\/69"}],"wp:attachment":[{"href":"https:\/\/terrarara.com.br\/en\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}