{"id":635143,"date":"2026-10-19T09:42:09","date_gmt":"2026-10-19T09:42:09","guid":{"rendered":"https:\/\/www.newsbeep.com\/nz\/635143\/"},"modified":"2026-10-19T09:42:09","modified_gmt":"2026-10-19T09:42:09","slug":"apod-2026-october-19-treble-clef-unusual-x-ray-hot-radio-source","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/nz\/635143\/","title":{"rendered":"APOD: 2026 October 19 &#8211; Treble Clef: Unusual X-ray Hot Radio Source"},"content":{"rendered":"<p class=\"p-md margin-0 media-detail-hero__description\">\n\t\t\t\t\t\t\tExplanation: Explanation : What is Treble Clef? This unusual radio structure extends over 2 million light-years and <a href=\"https:\/\/en.wikipedia.org\/wiki\/Pink_Panther_(character)#\/media\/File:Pink_Panther.png\" rel=\"nofollow noopener\" target=\"_blank\">resembles<\/a> a common <a href=\"https:\/\/en.wikipedia.org\/wiki\/Clef#Treble_clef\" rel=\"nofollow noopener\" target=\"_blank\">musical symbol<\/a> &#8212; but has its <a href=\"https:\/\/science.nasa.gov\/ems\/09_visiblelight\/\" rel=\"nofollow noopener\" target=\"_blank\">visible light<\/a> hidden by our own <a href=\"https:\/\/science.nasa.gov\/resource\/the-milky-way-galaxy\/\" rel=\"nofollow noopener\" target=\"_blank\">Milky Way Galaxy<\/a>. Examined in 2004, the nature of VLSS J0318.9+5755, <a href=\"https:\/\/chandra.si.edu\/photo\/2026\/trebleclef\/trebleclef_BU.mp4\" rel=\"nofollow noopener\" target=\"_blank\">dubbed Treble Clef<\/a>, remained unknown. Recent observations by the <a href=\"https:\/\/science.nasa.gov\/mission\/chandra\/\" rel=\"nofollow noopener\" target=\"_blank\">Chandra X-ray Observatory<\/a> and <a href=\"https:\/\/www.mpe.mpg.de\/eROSITA\" rel=\"nofollow noopener\" target=\"_blank\">eROSITA<\/a>, however, have led to the <a href=\"https:\/\/arxiv.org\/pdf\/2607.06659\" rel=\"nofollow noopener\" target=\"_blank\">hypothesis<\/a> that the Treble Clef central cloud of charged particles was originally expelled by a <a href=\"https:\/\/science.nasa.gov\/asset\/webb\/supermassive-black-holes\/\" rel=\"nofollow noopener\" target=\"_blank\">supermassive black hole<\/a> at the center of a galaxy. After the radio emission from those particles faded, they may have been <a href=\"https:\/\/spacescoop.org\/ar\/scoops\/1540\/rise-of-the-radio-phoenix\/\" rel=\"nofollow noopener\" target=\"_blank\">reinvigorated<\/a> by a <a href=\"https:\/\/science.nasa.gov\/image-article\/apod-2026-february-16-unexplained-shocks-around-a-white-dwarf-star\/\" rel=\"nofollow noopener\" target=\"_blank\">shock wave<\/a> from the collision of two <a href=\"https:\/\/science.nasa.gov\/image-article\/apod-2024-march-27-the-coma-cluster-of-galaxies\/\" rel=\"nofollow noopener\" target=\"_blank\">clusters of galaxies<\/a>. The <a href=\"https:\/\/chandra.si.edu\/photo\/2026\/trebleclef\/\" rel=\"nofollow noopener\" target=\"_blank\">featured composite image<\/a> shows <a href=\"https:\/\/science.nasa.gov\/ems\/05_radiowaves\/\" rel=\"nofollow noopener\" target=\"_blank\">radio<\/a> emission in red, while recently discovered <a href=\"https:\/\/chandra.harvard.edu\/xray_astro\/xrays.html\" rel=\"nofollow noopener\" target=\"_blank\">X-rays<\/a> are shown in blue. <a href=\"https:\/\/unsplash.com\/photos\/santa-claus-with-red-scarf-7sgPfAcM6_o\" rel=\"nofollow noopener\" target=\"_blank\">Unusual objects<\/a> like <a href=\"https:\/\/chandra.si.edu\/photo\/2026\/trebleclef\/trebleclef_dragon.mp4\" rel=\"nofollow noopener\" target=\"_blank\">Treble Clef<\/a> give humanity unexpected clues about how whole <a href=\"https:\/\/science.nasa.gov\/image-article\/apod\/apod-2026-july-26-simulation-tng50-a-galaxy-cluster-forms\/\" rel=\"nofollow noopener\" target=\"_blank\">clusters of galaxies<\/a> interact as well as the general <a href=\"https:\/\/science.nasa.gov\/universe\/overview\/\" rel=\"nofollow noopener\" target=\"_blank\">evolution of our universe<\/a>.<\/p>\n<p>Tomorrow&#8217;s picture: backwards rainbow\t\t\t\t\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"Explanation: Explanation : What is Treble Clef? This unusual radio structure extends over 2 million light-years and resembles&hellip;\n","protected":false},"author":2,"featured_media":635144,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[271739,111,139,69,147,392],"class_list":["post-635143","post","type-post","status-publish","format-standard","has-post-thumbnail","category-space","tag-apod","tag-new-zealand","tag-newzealand","tag-nz","tag-science","tag-space"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/635143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/comments?post=635143"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/posts\/635143\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media\/635144"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/media?parent=635143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/categories?post=635143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/nz\/wp-json\/wp\/v2\/tags?post=635143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}