{"id":135500,"date":"2025-11-15T23:50:16","date_gmt":"2025-11-15T23:50:16","guid":{"rendered":"https:\/\/www.newsbeep.com\/il\/135500\/"},"modified":"2025-11-15T23:50:16","modified_gmt":"2025-11-15T23:50:16","slug":"a-solar-prominence-hovers-over-the-sun","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/il\/135500\/","title":{"rendered":"A solar prominence hovers over the Sun"},"content":{"rendered":"<p>The Sun is always mesmerising\u00a0to watch, but\u00a0<a href=\"https:\/\/www.esa.int\/Science_Exploration\/Space_Science\/Solar_Orbiter\" target=\"_blank\" rel=\"nofollow noopener\">Solar Orbiter<\/a>\u00a0captured\u00a0a special treat\u00a0on camera: a\u00a0dark\u00a0\u2018prominence\u2019\u00a0sticking out from the side of the\u00a0Sun.\u00a0\u00a0\u00a0<\/p>\n<p>The dark-looking material is dense plasma (charged gas)\u00a0trapped\u00a0by the Sun&#8217;s complex magnetic field.\u00a0It looks dark because it is cooler than its surroundings, being around\u00a010 000 \u00b0C\u00a0compared to the surrounding million-degree plasma.\u00a0\u00a0<\/p>\n<p>When viewed against the background of space, the hovering\u00a0plasma is referred to as a\u00a0prominence. When viewed against the Sun&#8217;s surface, it is called a filament.\u00a0(In\u00a0<a href=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2025\/04\/Solar_Orbiter_s_widest_high-res_view_of_the_Sun\" target=\"_blank\" rel=\"nofollow noopener\">this image<\/a>\u00a0you can see\u00a0examples of\u00a0both.)\u00a0<\/p>\n<p>Solar prominences\u00a0and filaments\u00a0extend for\u00a0tens of thousands of kilometres, several times the diameter of Earth.\u00a0They\u00a0can last days or even months.\u00a0This video shows\u00a0one hour of footage, sped up to make\u00a0movement more clearly visible.\u00a0\u00a0<\/p>\n<p>Solar Orbiter\u00a0recorded this video with its Extreme Ultraviolet Imager (EUI) instrument\u00a0on 17 March 2025.\u00a0At the time, the spacecraft was around 63 million km from the Sun,\u00a0similar to\u00a0planet Mercury.\u00a0<\/p>\n<p>Solar Orbiter is a space mission of international collaboration between ESA and NASA. The EUI instrument is led by the Royal Observatory of Belgium (ROB).\u00a0<\/p>\n<p>[Video description:\u00a0Close-up video of the Sun,\u00a0filling the left half of the view, its surface covered what looks like moving, glowing hairs\u00a0accompanied by some short-lived bright arcs.\u00a0Protruding to the right, in the centre of the video, is dark material\u00a0that looks almost feathery, with thin streaks flowing both away from and towards the Sun.]\u00a0<\/p>\n<p>\t\t\tEmbed code<\/p>\n","protected":false},"excerpt":{"rendered":"The Sun is always mesmerising\u00a0to watch, but\u00a0Solar Orbiter\u00a0captured\u00a0a special treat\u00a0on camera: a\u00a0dark\u00a0\u2018prominence\u2019\u00a0sticking out from the side of the\u00a0Sun.\u00a0\u00a0\u00a0&hellip;\n","protected":false},"author":2,"featured_media":135501,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[85,46,141,145],"class_list":{"0":"post-135500","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-space","8":"tag-il","9":"tag-israel","10":"tag-science","11":"tag-space"},"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/posts\/135500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/comments?post=135500"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/posts\/135500\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/media\/135501"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/media?parent=135500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/categories?post=135500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/il\/wp-json\/wp\/v2\/tags?post=135500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}