{"id":1359,"date":"2026-07-03T11:49:10","date_gmt":"2026-07-03T11:49:10","guid":{"rendered":"https:\/\/materials.simplycurrentaffairs.com\/?p=1359"},"modified":"2026-07-08T11:49:17","modified_gmt":"2026-07-08T11:49:17","slug":"kodaikanal-solar-observatory","status":"publish","type":"post","link":"https:\/\/materials.simplycurrentaffairs.com\/index.php\/2026\/07\/03\/kodaikanal-solar-observatory\/","title":{"rendered":"Kodaikanal Solar Observatory"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\"><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong>Kodaikanal Solar Observatory<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/mark><\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-red-color\"><strong><strong><strong><strong><strong><strong><strong>About<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/mark><\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The Kodaikanal Solar Observatory (KSO) is <strong>India\u2019s oldest and one of the world\u2019s oldest solar observatories. <\/strong>Established in <strong>1899, <\/strong>it is located in the<strong> Palani Hills of Tamil Nadu<\/strong>.&nbsp;<\/li>\n\n\n\n<li>It holds the distinction of being the country\u2019s <strong>longest-running astronomical observatory <\/strong>and maintains one of the world\u2019s most <strong>extensive and continuous daily records of the Sun.<\/strong><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group border-list\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h4 class=\"wp-block-heading\"><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong><strong>Did you know?<\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>KSO houses a <strong>digital repository of over 1.4 lakh digitised solar images and thousands of other images of the Sun recorded every day since the start of the 20th century.<\/strong><\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"358\" height=\"239\" src=\"https:\/\/materials.simplycurrentaffairs.com\/wp-content\/uploads\/2026\/07\/image-6.png\" alt=\"\" class=\"wp-image-1361\" srcset=\"https:\/\/materials.simplycurrentaffairs.com\/wp-content\/uploads\/2026\/07\/image-6.png 358w, https:\/\/materials.simplycurrentaffairs.com\/wp-content\/uploads\/2026\/07\/image-6-300x200.png 300w\" sizes=\"auto, (max-width: 358px) 100vw, 358px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The Observatory is known for the<strong> discovery of the Evershed Effect<\/strong> (radial motions in sunspots) in 1909.\u00a0\u00a0<\/li>\n\n\n\n<li>KSO is operated by the <strong>Indian Institute of Astrophysics (IIA)<\/strong>, Bengaluru, an<strong> autonomous research institute wholly funded<\/strong> by the <strong>Department of Science and Technology<\/strong>.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Kodaikanal Solar Observatory About Did you know?<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-1359","post","type-post","status-publish","format-standard","hentry","category-science-technology"],"_links":{"self":[{"href":"https:\/\/materials.simplycurrentaffairs.com\/index.php\/wp-json\/wp\/v2\/posts\/1359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materials.simplycurrentaffairs.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materials.simplycurrentaffairs.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materials.simplycurrentaffairs.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/materials.simplycurrentaffairs.com\/index.php\/wp-json\/wp\/v2\/comments?post=1359"}],"version-history":[{"count":2,"href":"https:\/\/materials.simplycurrentaffairs.com\/index.php\/wp-json\/wp\/v2\/posts\/1359\/revisions"}],"predecessor-version":[{"id":1362,"href":"https:\/\/materials.simplycurrentaffairs.com\/index.php\/wp-json\/wp\/v2\/posts\/1359\/revisions\/1362"}],"wp:attachment":[{"href":"https:\/\/materials.simplycurrentaffairs.com\/index.php\/wp-json\/wp\/v2\/media?parent=1359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materials.simplycurrentaffairs.com\/index.php\/wp-json\/wp\/v2\/categories?post=1359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materials.simplycurrentaffairs.com\/index.php\/wp-json\/wp\/v2\/tags?post=1359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}