{"id":24244,"date":"2024-06-15T10:17:06","date_gmt":"2024-06-15T04:47:06","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=24244"},"modified":"2025-10-09T11:17:52","modified_gmt":"2025-10-09T05:47:52","slug":"planet-nine","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/planet-nine\/","title":{"rendered":"What is Planet Nine?"},"content":{"rendered":"<h2>About:<\/h2>\n<ul>\n<li>Planet Nine is a <strong>hypothetical planet <\/strong>in the <strong>outer region of our solar system.<\/strong><\/li>\n<li>The concept was proposed to explain certain anomalies observed in the orbits of distant <strong>trans-Neptunian objects (TNOs),<\/strong> particularly those with highly elliptical and clustered orbits.<\/li>\n<\/ul>\n<p><strong>Characteristics<\/strong>:<\/p>\n<ul>\n<li><strong>Mass<\/strong>: Estimated to be about<strong> 5 to 10 times that of Earth.<\/strong><\/li>\n<li><strong>Orbit<\/strong>: Believed to have a highly elliptical orbit with a semi-major axis of about 400 to 800 AU <strong>(astronomical units)<\/strong>.\n<ul>\n<li>One AU is the average distance between Earth and the Sun, roughly <strong>93 million miles or 150 million kilometres.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>Orbital Period<\/strong>: Could range from 10,000 to 20,000 years.<\/li>\n<li><strong>Distance<\/strong>: At its closest, it might be around 200 AU from the Sun, and at its farthest, about 1,200 AU.<\/li>\n<\/ul>\n<p>The hunt for the solar system&#8217;s potential ninth planet may soon be coming to a close. With the opening of the groundbreaking <strong>Vera C. Rubin Observatory <\/strong>in <strong>2025<\/strong>, we may either finally find Planet Nine within the next few years \u2014 or rule out the idea for good.<\/p>\n<hr \/>\n<h3>Q1: What is a Geosynchronous Satellite Launch Vehicle (GSLV)?<\/h3>\n<p>GSLV is a space launch vehicle designed, developed and operated by the ISRO to launch satellites and other space objects into Geosynchronous Transfer Orbits (GTO).<\/p>\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.livescience.com\/space\/planets\/planet-nine-is-the-search-for-this-elusive-world-nearly-over\" target=\"_blank\" rel=\"nofollow noopener\"><strong>Planet Nine: Is the search for this elusive world nearly over?<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Planet Nine is a hypothetical planet in the outer region of our solar system.<\/p>\n","protected":false},"author":5,"featured_media":24245,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-24244","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\/24244","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=24244"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/24244\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/24245"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=24244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=24244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=24244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}