{"id":816,"date":"2008-09-20T07:14:10","date_gmt":"2008-09-20T12:14:10","guid":{"rendered":"http:\/\/blogs.scienceforums.net\/swansont\/?p=816"},"modified":"2008-09-20T07:14:10","modified_gmt":"2008-09-20T12:14:10","slug":"somewhere-under-the-rainbow","status":"publish","type":"post","link":"http:\/\/blogs.scienceforums.net\/swansont\/archives\/816","title":{"rendered":"Somewhere, Under the Rainbow"},"content":{"rendered":"<p><a href=\"http:\/\/www.dailymail.co.uk\/news\/article-1056500\/Pictured-Rare-upside-rainbow-spotted-UK.html\">Pictured: Rare upside-down rainbow spotted in the UK<\/a><\/p>\n<blockquote><p>Rainbows are formed when sunlight is refracted in a raindrop.<\/p>\n<p>But in a circumzenithal arc, the colours are in reverse order from a rainbow, with violet on the top and red at the bottom.<\/p>\n<p>The arc usually vanishes quickly because the cirrus clouds containing the ice crystals shift their position.<\/p>\n<p>Ice particles in high cirrus clouds occur all year round, but circumzenithal arcs are usually obscured by lower level clouds.<\/p>\n<p>Circumzenithal arcs are so named as they go around the zenith &#8211; the point in the sky directly above the observer- rather than the sun.<\/p><\/blockquote>\n<p>(Pedantic man notes that rainbows actually refract the light twice)<\/p>\n<p>More on <a href=\"http:\/\/en.wikipedia.org\/wiki\/Circumzenithal_arc\">circumzenithal arcs<\/a><\/p>\n<p>h\/t to Caroline<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pictured: Rare upside-down rainbow spotted in the UK Rainbows are formed when sunlight is refracted in a raindrop. But in a circumzenithal arc, the colours are in reverse order from a rainbow, with violet on the top and red at &hellip; <a href=\"http:\/\/blogs.scienceforums.net\/swansont\/archives\/816\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[39],"tags":[146,361,409],"class_list":["post-816","post","type-post","status-publish","format-standard","hentry","category-physics","tag-circumzenithal-arc","tag-optics","tag-rainbow"],"_links":{"self":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/816","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/comments?post=816"}],"version-history":[{"count":0,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/816\/revisions"}],"wp:attachment":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/media?parent=816"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/categories?post=816"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/tags?post=816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}