{"id":16626,"date":"2023-11-03T08:28:12","date_gmt":"2023-11-03T02:58:12","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=16626"},"modified":"2025-04-04T22:14:30","modified_gmt":"2025-04-04T16:44:30","slug":"kawah-ijen","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/kawah-ijen\/","title":{"rendered":"What is Kawah Ijen?"},"content":{"rendered":"<h2>About Kawah Ijen<\/h2>\n<ul>\n<li>Kawah Ijen is a\u00a0volcanic crater lake located\u00a0in East Java, Indonesia.<\/li>\n<li>It is\u00a0part of the larger Ijen volcano complex, which includes several other craters.<\/li>\n<li>The\u00a0main attraction of Kawah Ijen\u00a0is its stunning\u00a0turquoise-colored crater lake.<\/li>\n<li>The\u00a0vibrant color of the water\u00a0is due to the high concentration of dissolved sulfuric acid and other minerals.<\/li>\n<li>The lake is the\u00a0largest, highly acidic crater lake in the world.<\/li>\n<li>The lake has been\u00a0included in UNESCO\u2019s World Biosphere Reserves.<\/li>\n<li>The\u00a0Ijen volcano complex is still active, and Kawah Ijen is one of the areas where volcanic activity is observed.<\/li>\n<li>The\u00a0volcano releases sulfur gases, which\u00a0can be ignited and\u00a0produce impressive blue flames, especially at night. These flames are often\u00a0referred to as &#8220;blue fire.&#8221;<\/li>\n<li>The area around Kawah Ijen is\u00a0known for traditional sulfur mining.<\/li>\n<\/ul>\n<h2>Key Facts Copernicus Sentinel-2 Mission<\/h2>\n<ul>\n<li>It is a\u00a0European wide-swath, high-resolution, multi-spectral imaging mission.\u00a0<\/li>\n<li>It comprises a\u00a0constellation of two polar-orbiting satellites placed\u00a0in the same sun-synchronous orbit, phased at 180\u00b0 to each other.<\/li>\n<li>It\u00a0aims at monitoring variability in land surface conditions, and its wide swath width (290 km) and high revisit time (10 days at the equator with one satellite and 5 days with 2 satellites under cloud-free conditions which results in 2-3 days at mid-latitudes) will support monitoring of Earth&#8217;s surface changes.<\/li>\n<\/ul>\n<hr \/>\n<h3>Q1) What is a crater?<\/h3>\n<p>A crater is a bowl-shaped depression or hollow in the ground or on the surface of a celestial body, such as the Moon, a planet, or even an asteroid. Craters are typically formed by the impact of objects from space, such as meteoroids, asteroids, or comets, striking the surface.\u00a0<\/p>\n<p><strong>Source:<\/strong> <a href=\"https:\/\/www.indiatoday.in\/science\/story\/acid-cauldron-on-earth-worlds-largest-acidic-lake-looks-spooky-from-space-2457118-2023-11-02\" target=\"_blank\" rel=\"nofollow noopener\"><u>Acid cauldron on Earth: World&#8217;s largest acidic lake looks spooky from space<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p> Kawah Ijen is a volcanic crater lake located in East Java, Indonesia.<\/p>\n","protected":false},"author":5,"featured_media":16627,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-16626","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\/16626","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=16626"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/16626\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/16627"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=16626"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=16626"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=16626"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}