{"id":286212,"date":"2024-03-08T18:46:55","date_gmt":"2024-03-08T13:16:55","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=286212"},"modified":"2024-03-08T18:46:55","modified_gmt":"2024-03-08T13:16:55","slug":"desert-star-dunes","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/desert-star-dunes\/","title":{"rendered":"Desert star dunes"},"content":{"rendered":"<p><b>Source-\u00a0<\/b>The post on<strong> Desert star dunes <\/strong>is based on the article <strong>\u201cScientists reveal secrets of Earth&#8217;s magnificent desert star dunes\u201d<\/strong> published in\u00a0<strong>\u201c<\/strong><b>The Hindu\u201d <\/b>on 5th March 2024.<\/p>\n<h2>What is the News?<\/h2>\n<p>Scientists unveiled the first in-depth study of star dunes, revealing the internal structure of these geological features.<\/p>\n<h2>About Sand Dunes<\/h2>\n<figure id=\"attachment_286250\" aria-describedby=\"caption-attachment-286250\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-286250\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2024\/03\/dunes-1024x683-1.jpg?resize=300%2C200&#038;ssl=1\" alt=\"Desert Dunes\" width=\"300\" height=\"200\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2024\/03\/dunes-1024x683-1.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2024\/03\/dunes-1024x683-1.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2024\/03\/dunes-1024x683-1.jpg?w=1024&amp;ssl=1 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-286250\" class=\"wp-caption-text\">Source- LotusArise<\/figcaption><\/figure>\n<p><strong>1. About: <\/strong>Star dunes\u00a0are the <span style=\"color: #ff0000;\">tallest and most complex<\/span> type of desert sand formations.<\/p>\n<p>They reach\u00a0<span style=\"color: #ff0000;\">hundreds of meters in height<\/span>\u00a0and are characterized by their <span style=\"color: #ff0000;\">pyramidal forms and radiating arms.<\/span><\/p>\n<p>Star dunes are <span style=\"color: #ff0000;\">pyramid-shaped sand formations<\/span>\u00a0with arms stretching out from a central peak. This gave them a <span style=\"color: #ff0000;\">star-like appearance<\/span> when viewed from above.<\/p>\n<p>2. <strong>Locations: <\/strong>Star dunes comprise about <span style=\"color: #ff0000;\">10% of desert dunes <\/span>on Earth. These dunes are found in various deserts across the globe, including the sand seas of\u00a0<span style=\"color: #ff0000;\">Africa, Arabia, China, Saudi Arabia, North America, and even on\u00a0Mars\u00a0and\u00a0Saturn\u2019s moon Titan.<\/span><\/p>\n<h2>Findings of the study<\/h2>\n<p>i) The study focused upon a star dune named <span style=\"color: #ff0000;\">Lala Lallia in eastern Morocco<\/span>, located within the Sahara Desert.<\/p>\n<p>ii) Researchers utilized <span style=\"color: #ff0000;\">ground-penetrating radar and luminescence dating<\/span> to estimate the formation time of Lala Lallia, relying on energy trapped within sand grains.<\/p>\n<p>iii) The findings suggest that Lala Lallia took approximately <span style=\"color: #ff0000;\">900 years to form,<\/span> accumulating approximately<span style=\"color: #ff0000;\"> 6,400 metric tons of sand<\/span> annually as wind carries it across the desert.<\/p>\n<p><strong>UPSC Syllabus: Geography<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source-\u00a0The post on Desert star dunes is based on the article \u201cScientists reveal secrets of Earth&#8217;s magnificent desert star dunes\u201d published in\u00a0\u201cThe Hindu\u201d on 5th March 2024. What is the News? Scientists unveiled the first in-depth study of star dunes, revealing the internal structure of these geological features. About Sand Dunes 1. About: Star dunes\u00a0are&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/desert-star-dunes\/\">Continue reading <span class=\"screen-reader-text\">Desert star dunes<\/span><\/a><\/p>\n","protected":false},"author":10366,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,11209],"tags":[11872],"class_list":["post-286212","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-geography-in-news","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/286212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10366"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=286212"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/286212\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=286212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=286212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=286212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}