  {"id":1429,"date":"2011-11-03T21:27:40","date_gmt":"2011-11-03T21:27:40","guid":{"rendered":"http:\/\/www.hawaii.edu\/news\/?p=1429"},"modified":"2021-06-03T16:24:20","modified_gmt":"2021-06-04T02:24:20","slug":"giving-substance-to-planetary-nebulae","status":"publish","type":"post","link":"https:\/\/www.hawaii.edu\/news\/2011\/11\/03\/giving-substance-to-planetary-nebulae\/","title":{"rendered":"Giving substance to planetary nebulae"},"content":{"rendered":"<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading time: <\/span> <span class=\"rt-time\"> &lt; 1<\/span> <span class=\"rt-label rt-postfix\">minute<\/span><\/span><figure style=\"width: 288px\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" alt=\"Glowing round cloud against black space\" src=\"http:\/\/www2.ifa.hawaii.edu\/newsletters\/images\/40owl.jpg\" width=\"288\" height=\"278\" \/><figcaption class=\"wp-caption-text\">The Owl Nebula; image by Gary White and Verlenne Monroe\/ Adam Block\/NOAO\/AURA\/NSF<\/figcaption><\/figure>\n<p>Luminous, gaseous planetary nebulae expand quickly and die young, when considered in astronomical years. When compact and symmetric, they can appear planet-like through a small telescope. <\/p>\n<p>University of <span aria-label=\"Hawaii\">Âé¶¹´«Ã½<\/span> at M&#257;noa <a href=\"http:\/\/www.ifa.hawaii.edu\/\">Institute for Astronomy<\/a> Astronomer <strong>Roberto M&eacute;ndez<\/strong> describes the evolution of understanding and unanswered questions about planetary nebulae in the latest issue of the <abbr>IfA<\/abbr> newsletter <a href=\"http:\/\/www2.ifa.hawaii.edu\/newsletters\/index.cfm?n=45\"><em>N&#257; Kilo H&#333;k&#363;<\/em><\/a>.<\/p>\n<p>Scientists believe the ionized gas becomes visible as red giant stars transform into white dwarfs, he writes.<\/p>\n<p>Read M&eacute;ndez&#8217; article, &ldquo;<a href=\"http:\/\/www2.ifa.hawaii.edu\/newsletters\/article.cfm?a=547&#038;n=45\" title=\"Read Planetary Nebulae by Roberto Mendez in Na Kilo Hoku\">Planetary Nebulae<\/a>.&rdquo;<\/p>\n<p>The newsletter also has articles on a <a href=\"http:\/\/www2.ifa.hawaii.edu\/newsletters\/article.cfm?a=549&#038;n=45\">telescope&#8217;s recovery from a lightning strike<\/a>, <a href=\"http:\/\/www2.ifa.hawaii.edu\/newsletters\/article.cfm?a=550&#038;n=45\">Mauna Kea&#8217;s weather center<\/a> and more.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Planet nebulae are described by <abbr>UH<\/abbr> M&#257;noa Astronomer Roberto M&eacute;ndez in the latest issue of the Institute for Astronomy newsletter.<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[34,35,9],"class_list":["post-1429","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-research","tag-astronomy","tag-institute-for-astronomy","tag-uh-manoa","entry","has-media"],"aioseo_notices":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts\/1429","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/comments?post=1429"}],"version-history":[{"count":23,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts\/1429\/revisions"}],"predecessor-version":[{"id":143019,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/posts\/1429\/revisions\/143019"}],"wp:attachment":[{"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/media?parent=1429"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/categories?post=1429"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hawaii.edu\/news\/wp-json\/wp\/v2\/tags?post=1429"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}