{"id":6463,"date":"2014-02-12T07:33:57","date_gmt":"2014-02-12T07:33:57","guid":{"rendered":"http:\/\/hobbyspace.com\/Blog\/?p=6463"},"modified":"2014-02-12T07:33:57","modified_gmt":"2014-02-12T07:33:57","slug":"video-the-dancing-auroras-of-saturn","status":"publish","type":"post","link":"https:\/\/hobbyspace.com\/Blog\/?p=6463","title":{"rendered":"Video: The dancing auroras of Saturn"},"content":{"rendered":"<p>A beautiful set of image sequences showing the auroras of Saturn in action:\u00a0<a href=\"http:\/\/www.youtube.com\/watch?v=p32xzRSBXuk&amp;feature=em-uploademail\" target=\"_d\">Dance of Saturn&#8217;s Auroras &#8211; YouTube<\/a><\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"1600\" height=\"900\" src=\"https:\/\/www.youtube.com\/embed\/p32xzRSBXuk?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>From the caption:<\/p>\n<p style=\"padding-left: 30px;\"><em>Ultraviolet and infrared images from NASA&#8217;s Cassini spacecraft and Hubble Space Telescope show active and quiet auroras at Saturn&#8217;s north and south poles.<\/em><\/p>\n<p><em>Saturn&#8217;s auroras glow when energetic electrons dive into the planet&#8217;s atmosphere and collide with hydrogen molecules. Sometimes a blast of fast solar wind, composed of mostly electrons and protons, creates an active aurora at Saturn, as occurred on April 5 and May 20, 2013.\u00a0<\/em><\/p>\n<p><em>The first set of images, as seen in the ultraviolet part of the spectrum by Hubble, shows an active aurora dancing around Saturn&#8217;s north pole on April 5. The movie then shows a relatively quiet time between April 19 to 22 and between May 18 and 19. The aurora flares up again in Hubble images from May 20. This version, shown in false-color, has been processed to show the auroras more clearly.<\/em><\/p>\n<p><em>A second set of ultraviolet images shows a closer view of an active north polar aurora in white. This set comes from Cassini ultraviolet imaging spectrograph observations on May 20 and 21.\u00a0<\/em><\/p>\n<p><em>The last set of images, in the infrared, shows a quiet southern aurora (in green) in observations from Cassini&#8217;s visual and infrared mapping spectrometer on May 17. Saturn&#8217;s inner heat glows in red, with dark areas showing where high clouds block the heat<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A beautiful set of image sequences showing the auroras of Saturn in action:\u00a0Dance of Saturn&#8217;s Auroras &#8211; YouTube From the caption: Ultraviolet and infrared images from NASA&#8217;s Cassini spacecraft and Hubble Space Telescope show active and quiet auroras at Saturn&#8217;s north and south poles. Saturn&#8217;s auroras glow when energetic electrons dive into the planet&#8217;s atmosphere &hellip; <a href=\"https:\/\/hobbyspace.com\/Blog\/?p=6463\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Video: The dancing auroras of Saturn<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[87,13],"tags":[],"class_list":["post-6463","post","type-post","status-publish","format-standard","hentry","category-et-al","category-space-science"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p34aWK-1Gf","jetpack-related-posts":[{"id":16660,"url":"https:\/\/hobbyspace.com\/Blog\/?p=16660","url_meta":{"origin":6463,"position":0},"title":"Video: Hubble captures aurora in action on Saturn&#8217;s north pole","author":"TopSpacer","date":"August 30, 2018","format":false,"excerpt":"A new report from the NASA\/ESA Hubble Telescope collaboration: Hubble observes energetic lightshow at Saturn\u2019s north pole Astronomers using the NASA\/ESA Hubble Space telescope have taken a series of spectacular images featuring the fluttering auroras at the north pole of Saturn. 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