{"id":5466,"date":"2025-07-19T05:04:29","date_gmt":"2025-07-19T05:04:29","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2025\/07\/19\/friday-squid-blogging-the-giant-squid-nebula-html\/"},"modified":"2025-07-19T05:04:29","modified_gmt":"2025-07-19T05:04:29","slug":"friday-squid-blogging-the-giant-squid-nebula-html","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2025\/07\/19\/friday-squid-blogging-the-giant-squid-nebula-html\/","title":{"rendered":"Friday Squid Blogging: The Giant Squid Nebula"},"content":{"rendered":"\n<div>Friday Squid Blogging: The Giant Squid Nebula<\/div>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>\n<p>Beautiful <a href=\"https:\/\/apod.nasa.gov\/apod\/ap250705.html\">photo<\/a>.<\/p>\n<blockquote>\n<p><a href=\"https:\/\/app.astrobin.com\/i\/hmtykv\">Difficult to capture<\/a>, this mysterious, squid-shaped interstellar cloud spans nearly three full moons in planet Earth\u2019s sky. <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2012RMxAA..48..223A\/abstract\">Discovered in 2011 by<\/a> French astro-imager <a href=\"http:\/\/outters.fr\/wp\/?page_id=50\">Nicolas Outters<\/a>, the Squid Nebula\u2019s <a href=\"https:\/\/apod.nasa.gov\/apod\/ap230416.html\">bipolar shape<\/a> is distinguished here by the telltale blue <a href=\"https:\/\/en.wikipedia.org\/wiki\/Nebulium\">emission from<\/a> doubly ionized oxygen atoms. Though apparently <a href=\"https:\/\/apod.nasa.gov\/apod\/ap230817.html\">surrounded by<\/a> the reddish hydrogen emission region Sh2-129, the true distance and nature of the Squid Nebula have been difficult to determine. Still, one <a href=\"https:\/\/ui.adsabs.harvard.edu\/abs\/2014A%26A...570A.105C\/abstract\">investigation<\/a> suggests Ou4 really does lie within Sh2-129 some 2,300 light-years away. Consistent with that scenario, the cosmic squid would represent a spectacular outflow of material driven by a <a href=\"http:\/\/www.atlasoftheuniverse.com\/orbits.html\">triple system<\/a> of hot, massive stars, cataloged as <a href=\"https:\/\/in-the-sky.org\/data\/object.php?id=TYC3965-880-1#google_vignette\">HR8119<\/a>, seen near the center of the nebula. If so, this truly giant squid nebula would physically be over 50 <a href=\"https:\/\/science.nasa.gov\/exoplanets\/what-is-a-light-year\/\">light-years<\/a> across.<\/p>\n<\/blockquote>\n<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><br \/>\n    Bruce Schneier<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/www.schneier.com\/blog\/archives\/2025\/07\/friday-squid-blogging-the-giant-squid-nebula.html\">Go to bruce schneier<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Friday Squid Blogging: The Giant Squid Nebula Beautiful photo. Difficult to capture, this mysterious, squid-shaped interstellar cloud spans nearly three full moons in planet Earth\u2019s sky. Discovered in 2011 by French astro-imager Nicolas Outters, the Squid Nebula\u2019s bipolar shape is distinguished here by the telltale blue emission from doubly ionized oxygen atoms. Though apparently surrounded [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57,91,1],"tags":[87],"class_list":["post-5466","post","type-post","status-publish","format-standard","hentry","category-bruce-schneier","category-squid","category-uncategorized","tag-bruce-schneier"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/5466"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=5466"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/5466\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=5466"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=5466"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=5466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}