{"id":3927110,"date":"2026-07-22T10:01:52","date_gmt":"2026-07-22T15:01:52","guid":{"rendered":"https:\/\/mikedyess.info\/para\/astronomers-are-still-trying-to-understand-how-a-galaxys-spiral-arms-form\/"},"modified":"2026-07-22T10:01:52","modified_gmt":"2026-07-22T15:01:52","slug":"astronomers-are-still-trying-to-understand-how-a-galaxys-spiral-arms-form","status":"publish","type":"post","link":"https:\/\/mikedyess.info\/para\/astronomers-are-still-trying-to-understand-how-a-galaxys-spiral-arms-form\/","title":{"rendered":"Astronomers are still trying to understand how a galaxy&#8217;s spiral arms form"},"content":{"rendered":"<div>The Whirlpool galaxy (M51) is a classic grand spiral galaxy. It was the first object identified as a spiral, way back in 1845. At the time, it and other galaxies were considered spiral nebulae, since astronomers didn&#8217;t know other galaxies existed. Edwin Hubble finally proved that there were other galaxies in the early 1920s.<\/div>\n<p><a target=\"_blank\" href=\"https:\/\/phys.org\/news\/2026-07-astronomers-galaxy-spiral-arms.html\" target=\"_blank\">Go to Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Whirlpool galaxy (M51) is a classic grand spiral galaxy. It was the first object identified as a spiral, way back in 1845. At the time, it and other galaxies were considered spiral nebulae, since astronomers didn&#8217;t know other galaxies existed. Edwin Hubble finally proved that there were other galaxies in the early 1920s. <\/p>\n<p>Go [&#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-3927110","post","type-post","status-publish","format-standard","hentry","category-astronomy","odd"],"_links":{"self":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3927110","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=3927110"}],"version-history":[{"count":0,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/posts\/3927110\/revisions"}],"wp:attachment":[{"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/media?parent=3927110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/categories?post=3927110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mikedyess.info\/para\/wp-json\/wp\/v2\/tags?post=3927110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}