


{"id":17513,"date":"2023-11-28T02:53:54","date_gmt":"2023-11-27T21:23:54","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=17513"},"modified":"2025-04-05T04:49:21","modified_gmt":"2025-04-04T23:19:21","slug":"sgr-c","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/sgr-c\/","title":{"rendered":"Sagittarius C (Sgr C)"},"content":{"rendered":"<h2>About Sagittarius C (Sgr C)<\/h2>\n<ul>\n<li>It is the\u00a0star-forming region known situated approximately 300 light-years from the Milky Way&#8217;s central supermassive black hole, Sagittarius A*.<\/li>\n<li>It is revealing\u00a0a bustling cluster of protostars within an infrared-dark cloud.<\/li>\n<li>These nascent stars are\u00a0in the process of accumulating mass, their outflows glowing intensely in the infrared spectrum, akin to embers in a cosmic bonfire.<\/li>\n<li>The\u00a0cloud that protostars are emerging from is so dense that the light from stars behind it cannot reach Webb.<\/li>\n<li>Scattered throughout are smaller infrared-dark clouds, akin to celestial voids against the starry backdrop, signaling the birthplaces of future stars.<\/li>\n<li>Webb&#8217;s Near-Infrared Camera (NIRCam) has detected\u00a0extensive emissions from ionised hydrogen\u00a0on the periphery of the dark cloud, highlighted in a striking cyan hue.<\/li>\n<\/ul>\n<h2>Key facts about James Webb Space Telescope<\/h2>\n<ul>\n<li>It was built in\u00a0collaboration between NASA, the\u00a0European Space Agency (ESA) and the\u00a0Canadian Space Agency.<\/li>\n<li>It was launched in December 2021.<\/li>\n<li>It is\u00a0presently at a point in space known as the\u00a0Sun-Earth L2 Lagrange point.<\/li>\n<li>Lagrange Point 2 is one of the five points in the orbital plane of the Earth-Sun system.<\/li>\n<li>It&#8217;s the largest, most powerful infrared space telescope ever built.<\/li>\n<li>Objectives: It will\u00a0examine every phase of cosmic history, from the Big Bang to the formation of galaxies, stars, and planets to the evolution of our Solar System.<\/li>\n<\/ul>\n<hr \/>\n<h3>Q1) What are Protostars?<\/h3>\n<p>Protostars are young stars within the earliest phase of stellar evolution. Protostars are not yet main-sequence stars as they have not absorbed all the surrounding interstellar gas and have yet to ignite through the fusion of hydrogen into helium.<\/p>\n<p><strong>Source:<\/strong> <a href=\"https:\/\/www.indiatoday.in\/science\/story\/heart-of-milky-way-galaxy-has-a-mysterious-structure-james-webb-telescope-2468011-2023-11-27\" target=\"_blank\" rel=\"nofollow noopener\"><u>Heart of Milky Way galaxy has a mysterious structure<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sagittarius C (Sgr C) is the star-forming region known situated approximately 300 light-years from the Milky Way&#8217;s central supermassive black hole, Sagittarius A*.<\/p>\n","protected":false},"author":5,"featured_media":17514,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-17513","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\/17513","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=17513"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/17513\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/17514"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=17513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=17513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=17513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}