{"id":3926922,"date":"2026-07-10T19:01:04","date_gmt":"2026-07-11T00:01:04","guid":{"rendered":"http:\/\/mikedyess.info\/para\/to-ancient-astronomers-theta-eridani-was-brighter-for-1000-years-now-we-know-why\/"},"modified":"2026-07-10T19:01:04","modified_gmt":"2026-07-11T00:01:04","slug":"to-ancient-astronomers-theta-eridani-was-brighter-for-1000-years-now-we-know-why","status":"publish","type":"post","link":"https:\/\/mikedyess.info\/para\/to-ancient-astronomers-theta-eridani-was-brighter-for-1000-years-now-we-know-why\/","title":{"rendered":"To ancient astronomers, Theta Eridani was brighter for 1,000 years\u2014now we know why"},"content":{"rendered":"<div>There&#8217;s a bit of a historical mystery surrounding the star Theta Eridani. Ptolemy in the second century A.D. and al-Sufi in A.D. 964 both recorded Theta Eridani as one of the 13 brightest stars in the sky. Hipparchus may have said the same. But there&#8217;s a problem. For it to be one of the 13 brightest, it had to be much more luminous than it is today.<\/div>\n<p><a target=\"_blank\" href=\"https:\/\/phys.org\/news\/2026-07-ancient-astronomers-theta-eridani-brighter.html\" target=\"_blank\">Go to Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>There&#8217;s a bit of a historical mystery surrounding the star Theta Eridani. Ptolemy in the second century A.D. and al-Sufi in A.D. 964 both recorded Theta Eridani as one of the 13 brightest stars in the sky. Hipparchus may have said the same. But there&#8217;s a problem. For it to be one of the 13 [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-3926922","post","type-post","status-publish","format-standard","hentry","category-astronomy","odd"],"_links":{"self":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3926922","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/comments?post=3926922"}],"version-history":[{"count":0,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3926922\/revisions"}],"wp:attachment":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/media?parent=3926922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/categories?post=3926922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/tags?post=3926922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}