{"id":19845,"date":"2024-01-29T05:03:46","date_gmt":"2024-01-28T23:33:46","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=19845"},"modified":"2025-04-05T20:17:07","modified_gmt":"2025-04-05T14:47:07","slug":"what-is-alpenglow","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-is-alpenglow\/","title":{"rendered":"What is Alpenglow?"},"content":{"rendered":"<h2><strong>About Alpenglow:<\/strong><\/h2>\n<ul>\n<li>It is a <strong>natural phenomenon<\/strong> when <strong>mountain slopes are illuminated by the sunas it rises or sets.<\/strong><\/li>\n<li>The <strong>slopes turn a rosy, reddish, or orange hue<\/strong> depending on the angle of the sun and atmospheric conditions.<\/li>\n<li>It <strong>occurs during the twilight hours before sunrise or after sunset<\/strong>. It can also occur in the first minutes after the sun rises or sets.<\/li>\n<li>Alpenglow <strong>typically occurs in<\/strong> the range of colors between <strong>red, pink, and orange<\/strong>.<\/li>\n<\/ul>\n<p>o This is because, <strong>these are the longest warm rays of electromagnetic wave<\/strong> (light) \u2014 they reach various surfaces, while <strong>cold rays are shorter and disappear faster<\/strong> in the atmosphere.<\/p>\n<ul>\n<li>Its <strong>vibrancy and color dependon<\/strong> the <strong>location of the sun<\/strong>, the <strong>angle of the light<\/strong>, and other <strong>atmospheric conditions<\/strong> like clouds, humidity, and particulates.<\/li>\n<li>It can change quickly depending on how fast the sun sets on any given day.<\/li>\n<\/ul>\n<h3><strong>Key Facts about Hindu Kush Himalayan Region (HKH):<\/strong><\/h3>\n<ul>\n<li>It stretches over <strong>3500 kilometres<\/strong> across <strong>eight countries \u2013 Afghanistan, Bangladesh, Bhutan, China, India, Nepal, Myanmar and Pakistan.<\/strong><\/li>\n<li>It is the <strong>source of ten of Asia\u2019s largest rivers<\/strong> \u2013 the Amu Darya, Indus, Ganges, Brahmaputra, Irrawaddy, Salween, Mekong, Yangtse (Jinsha), Yellow River, and Tarim (Dayan).<\/li>\n<\/ul>\n<p>\u00b7 It has the <strong>largest concentration of frozen water <\/strong>on Earth af<strong>ter the North Pole and South Pole;<\/strong> hence it is <strong>referred to as \u201cthe third pole\u201d.\u00a0<\/strong><\/p>\n<hr \/>\n<h3><strong>Q1<\/strong>: What is the International Space Station (ISS)?<\/h3>\n<p>It is a habitable spacecraft that orbits Earth at an average altitude of approximately 420 kilometers (260 miles). It is a permanently crewed on-orbit laboratory that enables scientific research supporting innovation on Earth and future deep space exploration. From design to launch, 15 countries collaborated to assemble the world&#8217;s only permanently crewed orbital facility, which can support up to seven astronauts and 300 to 400 experiments per crew increment, across an array of disciplines.<\/p>\n<p>\n<strong>Source:<\/strong><a href=\"https:\/\/www.republicworld.com\/science\/magical-astronaut-captures-stunning-alpenglow-phenomenon-near-hindu-kush-from-iss-see-pictures\/\" target=\"_blank\" rel=\"nofollow noopener\"><strong>MAGICAL: Astronaut Captures Stunning Alpenglow Phenomenon near Hindu Kush from ISS | See Pictures<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alpenglow is a natural phenomenon when mountain slopes are illuminated by the sun as it rises or sets. <\/p>\n","protected":false},"author":5,"featured_media":19846,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-19845","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\/19845","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=19845"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/19845\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/19846"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=19845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=19845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=19845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}