{"id":3924965,"date":"2026-03-18T09:00:12","date_gmt":"2026-03-18T14:00:12","guid":{"rendered":"https:\/\/mikedyess.info\/para\/clearest-evidence-yet-that-giant-planets-spin-faster-than-their-cosmic-lookalikes\/"},"modified":"2026-03-18T09:00:12","modified_gmt":"2026-03-18T14:00:12","slug":"clearest-evidence-yet-that-giant-planets-spin-faster-than-their-cosmic-lookalikes","status":"publish","type":"post","link":"http:\/\/mikedyess.info\/para\/clearest-evidence-yet-that-giant-planets-spin-faster-than-their-cosmic-lookalikes\/","title":{"rendered":"Clearest evidence yet that giant planets spin faster than their cosmic lookalikes"},"content":{"rendered":"<div>For decades, astronomers have struggled to differentiate giant planets from brown dwarfs, a class of objects more massive than planets but too small to ignite nuclear fusion like true stars. Through a telescope, these cosmic lookalikes can have overlapping brightness, temperatures, and even atmospheric fingerprints. The striking similarity leaves astronomers unsure if they have observed an oversized planet or an undersized star. Now, a Northwestern University-led team has uncovered a crucial clue that separates the two: how fast they spin.<\/div>\n<p><a target=\"_blank\" href=\"https:\/\/phys.org\/news\/2026-03-clearest-evidence-giant-planets-faster.html\" target=\"_blank\">Go to Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>For decades, astronomers have struggled to differentiate giant planets from brown dwarfs, a class of objects more massive than planets but too small to ignite nuclear fusion like true stars. Through a telescope, these cosmic lookalikes can have overlapping brightness, temperatures, and even atmospheric fingerprints. The striking similarity leaves astronomers unsure if they have observed [&#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-3924965","post","type-post","status-publish","format-standard","hentry","category-astronomy","odd"],"_links":{"self":[{"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3924965","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/comments?post=3924965"}],"version-history":[{"count":0,"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3924965\/revisions"}],"wp:attachment":[{"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/media?parent=3924965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/categories?post=3924965"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/tags?post=3924965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}