


{"id":4697,"date":"2023-01-17T08:43:38","date_gmt":"2023-01-17T03:13:38","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=4697"},"modified":"2025-03-27T01:53:49","modified_gmt":"2025-03-26T20:23:49","slug":"what-is-a-solitary-wave","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-is-a-solitary-wave\/","title":{"rendered":"What is a Solitary Wave?"},"content":{"rendered":"<h2><strong>Why in news?<\/strong><\/h2>\n<ul>\n<li>With the help of high-resolution electric field data recorded by the Langmuir Probe and Waves instrument on the Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft of NASA researchers identified the solitary waves.<\/li>\n<\/ul>\n<h3><strong>Key facts about the Solitary wave<\/strong><\/h3>\n<ul>\n<li>Solitary waves are distinct <strong>electric field fluctuations<\/strong> (bipolar or monopolar) that follow constant amplitude-phase relations.\u00a0<\/li>\n<li>Their shape and size are less affected during their propagation.\u00a0<\/li>\n<li>The magnitude and duration of these pulses are found to be 1-25 milivolt\/meter and 0.2\u20131.7 milliseconds, respectively.\u00a0<\/li>\n<li>These pulses are dominantly seen in the <strong>dawn and afternoon<\/strong> dusk sectors at an altitude of 1000\u20133500 km around Mars.<\/li>\n<li>Through simulations, it is found that the spatial extent of these structures is very small (30-330 meters). As these waves are known to be responsible for the plasma energization and its transport in Earth\u2019s magnetosphere<\/li>\n<\/ul>\n<h3><strong>What is MAVEN spacecraft?<\/strong><\/h3>\n<ul>\n<li>The Mars Atmosphere and Volatile Evolution (MAVEN) mission, which launched in 2013.<\/li>\n<li>It is the first mission devoted to understanding the Martian upper atmosphere.<\/li>\n<li>The goal of this spacecraft is to determine the role that loss of atmospheric gas to space played in changing the Martian climate through time<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>Q1) What is Geomagnetism?<\/p>\n<p>Geomagnetism is the study of all aspects of the Earth&#8217;s magnetic field, also called the geomagnetic field, that surrounds our habitat in the form of the magnetosphere. <strong>Source:\u00a0<\/strong><\/p>\n<p><strong>Source:\u00a0<\/strong><u>The first evidence of solitary waves near Mars may decode the mystery behind ion loss on the planet.<\/u><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Solitary waves are distinct electric field fluctuations follow constant amplitude-phase relations.<\/p>\n","protected":false},"author":5,"featured_media":4698,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-4697","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\/4697","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=4697"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/4697\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/4698"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=4697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=4697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=4697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}