{"id":1861703,"date":"2026-04-02T12:56:36","date_gmt":"2026-04-02T09:56:36","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=1861703"},"modified":"2026-04-02T12:56:36","modified_gmt":"2026-04-02T09:56:36","slug":"why-the-sky-looks-blue-the-science-behind-it","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=1861703","title":{"rendered":"Why the sky looks blue \u2013 the science behind it"},"content":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/static.dw.com\/image\/76429617_6.jpg&#8221;]<\/p>\n<article class=\"sk6xmai\">\n<div class=\"a17o045m\">\n<div class=\"av-wrapper\">\n<h1 aria-label=\"Video \u2014 Why the sky looks blue \u2013 the science behind it\" class=\"dy75pgs headline h1du6kc5 l1ozsu87 p1s74fjj s16w0xvi sngcpkw b1fzgn0z\"><span>Why the sky looks blue \u2013 the science behind it<\/span><\/h1>\n<div data-tracking-name=\"video-player\" class=\"hh5424a av-player pd4yz45\">\n<div class=\"bg-poster\">\n<div><video controls playsinline data-duration=\"02:00\" data-play-btn-title=\"Play video\" dir=\"ltr\" id=\"video-76546163\" poster=\"image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=\" preload=\"none\" class=\"dw-player video-js vjs-fluid\"><source src=\"https:\/\/hlsvod.dw.com\/i\/dwtv_video\/flv\/tt\/tt20260328_himmelblau_,AVC_480x270,AVC_512x288,AVC_640x360,AVC_960x540,AVC_1280x720,AVC_1920x1080,.mp4.csmil\/master.m3u8\" type=\"application\/x-mpegURL\" \/><\/video><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"content-area sa7l9jt s9mg977\">\n<section data-tracking-name=\"sharing-icons-inline\" class=\"c75t7t0 hh5424a in-line closed\">\n<div class=\"copy-button-wrapper closed\"><span class=\"svdcmki\">https:\/\/p.dw.com\/p\/5BB9X<\/span><\/div>\n<\/section>\n<div data-tracking-skip=\"true\" data-tracking-name=\"rich-text\" class=\"c17j8gzx rc0m0op r1ebneao s198y7xq rich-text l1evdo4u blt0baw s16w0xvi rcjjkz7 w128axg5 b1fzgn0z\">\n<p>White light contains many wavelengths; each associated with different colors. Short wavelength blue light is scattered strongly by nitrogen and oxygen molecules in the atmosphere and reaches our eyes from all directions. Long wavelength red light passes through the atmosphere more easily. That\u2019s why the sky looks blue during the day but can be red at sunrise and sunset, when sunlight travels farther through the atmosphere.<\/p>\n<\/div>\n<\/div>\n<\/article>\n<p class=\"vjs-no-js\">To view this video please enable JavaScript, and consider upgrading to a web browser that <a href=\"https:\/\/videojs.com\/html5-video-support\/\" rel=\"noopener noreferrer\" target=\"_blank\">supports HTML5 video<\/a><\/p>\n<div data-tracking-skip=\"true\" data-tracking-name=\"rich-text\" class=\"c17j8gzx rc0m0op r1ebneao s198y7xq rich-text l1evdo4u blt0baw s16w0xvi rcjjkz7 w128axg5 b1fzgn0z\">\n<p>White light contains many wavelengths; each associated with different colors. Short wavelength blue light is scattered strongly by nitrogen and oxygen molecules in the atmosphere and reaches our eyes from all directions. Long wavelength red light passes through the atmosphere more easily. That\u2019s why the sky looks blue during the day but can be red at sunrise and sunset, when sunlight travels farther through the atmosphere.<\/p>\n<\/div>\n<p>White light contains many wavelengths; each associated with different colors. Short wavelength blue light is scattered strongly by nitrogen and oxygen molecules in the atmosphere and reaches our eyes from all directions. Long wavelength red light passes through the atmosphere more easily. That\u2019s why the sky looks blue during the day but can be red at sunrise and sunset, when sunlight travels farther through the atmosphere.<\/p>\n<p>[analyse_source url=&#8221;https:\/\/www.dw.com\/en\/why-the-sky-looks-blue-the-science-behind-it\/video-76546163&#8243;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/static.dw.com\/image\/76429617_6.jpg&#8221;] Why the sky looks blue \u2013 the science behind it https:\/\/p.dw.com\/p\/5BB9X White light contains many wavelengths; each associated with different colors. Short wavelength blue light is scattered strongly by nitrogen and oxygen molecules in the atmosphere and reaches our eyes from all directions. Long wavelength red light passes through the atmosphere more [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[226,74],"class_list":["post-1861703","post","type-post","status-publish","format-standard","hentry","category-politics","tag-crawlmanager","tag-dw-com"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1861703","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1861703"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1861703\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1861703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1861703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1861703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}