{"id":233157,"date":"2026-03-12T11:21:22","date_gmt":"2026-03-12T16:21:22","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/03\/we-are-not-alone-our-sun-escaped-together-with-stellar-twins-from-galaxy-center"},"modified":"2026-03-12T11:21:22","modified_gmt":"2026-03-12T16:21:22","slug":"we-are-not-alone-our-sun-escaped-together-with-stellar-twins-from-galaxy-center","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/03\/we-are-not-alone-our-sun-escaped-together-with-stellar-twins-from-galaxy-center","title":{"rendered":"We are not alone: Our sun escaped together with stellar \u2018twins\u2019 from galaxy center"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/we-are-not-alone-our-sun-escaped-together-with-stellar-twins-from-galaxy-center.jpg\"><\/a><\/p>\n<p>Researchers have uncovered evidence for our sun joining a mass migration of similar \u201ctwins\u201d leaving the core regions of our galaxy, 4 to 6 billion years ago. The team created and studied an unprecedentedly accurate catalog of stars and their properties using data from the European Space Agency\u2019s Gaia satellite. Their discovery sheds light on the evolution of our galaxy, particularly the development of the rotating bar-like structure at its center.<\/p>\n<p>While archaeology on Earth studies the human past, galactic archaeology traces the vast journey of stars and galaxies. For example, scientists know that our sun was born around 4.6 billion years ago, more than 10,000 light years closer to the center of the Milky Way than we are today.<\/p>\n<p>While studies of the composition of stars support this theory, this has long proven a conundrum for scientists. Observations reveal an enormous <a href=\"https:\/\/phys.org\/news\/2024-04-hubble-magnificent-barred-galaxy-ngc.html?utm_source=embeddings&utm_medium=related&utm_campaign=internal\" rel=\"related\">bar-like structure<\/a> at our galactic center which creates a \u201ccorotation barrier,\u201d which makes it difficult for stars to escape so far from the center.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers have uncovered evidence for our sun joining a mass migration of similar \u201ctwins\u201d leaving the core regions of our galaxy, 4 to 6 billion years ago. The team created and studied an unprecedentedly accurate catalog of stars and their properties using data from the European Space Agency\u2019s Gaia satellite. Their discovery sheds light on [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[385,8],"tags":[],"class_list":["post-233157","post","type-post","status-publish","format-standard","hentry","category-evolution","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/233157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=233157"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/233157\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=233157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=233157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=233157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}