{"id":10523,"date":"2024-10-13T09:34:47","date_gmt":"2024-10-13T04:04:47","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=10523"},"modified":"2025-03-29T20:49:05","modified_gmt":"2025-03-29T15:19:05","slug":"what-are-auroras","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-are-auroras\/","title":{"rendered":"What are Auroras?"},"content":{"rendered":"<h2><strong>What are Auroras?<\/strong><\/h2>\n<ul>\n<li>An aurora is a <strong>natural light display<\/strong> in Earth&#8217;s sky, predominantly seen in <strong>high-latitude regions (around the Arctic and Antarctic).<\/strong><\/li>\n<li>Auroras are caused by the <strong>interaction of energetic particles<\/strong> (electrons and protons) <strong>of the solar wind with atoms of the upper atmosphere.<\/strong><\/li>\n<li>Auroras display dynamic patterns of brilliant lights that appear as curtains, rays, spirals, or dynamic flickers covering the entire sky.<\/li>\n<li>They are also commonly known as the <strong>northern lights (aurora borealis) or southern lights (aurora australis).<\/strong><\/li>\n<\/ul>\n<h2><strong>What is the Aurora Borealis?<\/strong><\/h2>\n<ul>\n<li>Often called the <strong>Northern Lights<\/strong>, it occurs in the <strong>northern hemisphere<\/strong>, predominantly in regions <strong>near the Arctic Circle.<\/strong><\/li>\n<li>This includes countries like <strong>Norway, Sweden, Finland, Iceland, Canada, and Alaska.<\/strong><\/li>\n<li>The northern lights result <strong>from charged particles from the sun<\/strong>, mainly electrons and protons, <strong>colliding with the Earth\u2019s magnetosphere<\/strong> and <strong>interacting with gases<\/strong> in the Earth\u2019s atmosphere.<\/li>\n<li>These collisions produce <strong>colourful displays<\/strong> of light, <strong>primarily in green, red and purple hues.<\/strong><\/li>\n<li>The bright colors of the northern lights are dictated by the chemical composition of Earth&#8217;s atmosphere.\u00a0<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Q1<\/strong>: What is a Solar flare?<\/h3>\n<p>It is an intense burst of radiation coming from the release of magnetic energy associated with sunspots. Flares are our solar system\u2019s largest explosive events.<\/p>\n<p><strong>Source: <\/strong><a href=\"https:\/\/indianexpress.com\/article\/upsc-current-affairs\/upsc-essentials\/knowledge-nugget-of-the-day-northern-lights-or-aurora-borealis-9617045\/\" target=\"_blank\" rel=\"nofollow noopener\"><u>Knowledge Nugget of the day: Northern lights<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>An aurora is a natural light display in Earth&#8217;s sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic).<\/p>\n","protected":false},"author":5,"featured_media":10524,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-10523","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/10523","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=10523"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/10523\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/10524"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=10523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=10523"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=10523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}