{"id":6463,"date":"2023-03-23T03:14:11","date_gmt":"2023-03-22T21:44:11","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=6463"},"modified":"2025-03-27T15:01:22","modified_gmt":"2025-03-27T09:31:22","slug":"what-is-oumuamua","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-is-oumuamua\/","title":{"rendered":"What is Oumuamua?"},"content":{"rendered":"<h2><strong>About Oumuamua:<\/strong><\/h2>\n<ul>\n<li>It is the <strong>first confirmed object from another star (interstellar object) to visit the solar system<\/strong>.<\/li>\n<li>The object was <strong>discovered on<\/strong> Oct. 19, <strong>2017<\/strong>, by the NASA-funded <strong>Pan-STARRS1 telescope.<\/strong><\/li>\n<li>Astronomers <strong>named the object 1I\/2017 U1<\/strong> (\u2018Oumuamua), <strong>Hawaiian<\/strong> for \u201ca messenger from afar arriving first.\u201d<\/li>\n<li><strong>Size and Shape<\/strong>: The object is believed to be at <strong>least a quarter-mile (400 meters) long<\/strong> and <strong>cigar-shaped<\/strong>, with a <strong>length roughly ten times longer than the width<\/strong>.<\/li>\n<li><strong>What was the Mystery?<\/strong>\n<ul>\n<li><strong>It had no bright coma or dust tail, <\/strong>like most comets, and a <strong>peculiar shape<\/strong>.<\/li>\n<li>It was <strong>accelerating away from the sun<\/strong> in a way that astronomers <strong>could not explain.<\/strong><\/li>\n<li><strong>Recent Finding:<\/strong> Researchers say the answer might be the <strong>release of hydrogen from trapped reserves inside water-rich ice<\/strong> as the comet warmed up in the sunlight.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1)\u00a0What is a Comet?<\/h3>\n<p>Comets are large objects made of dust and ice that orbit the Sun. Best known for their long, streaming tails, these ancient objects are leftovers from the formation of the solar system 4.6 billion years ago.<\/p>\n<p><strong>Source:<\/strong>\u00a0<a href=\"https:\/\/www.science.org\/content\/article\/mystery-our-first-interstellar-visitor-may-be-solved\" target=\"_blank\" rel=\"nofollow noopener\"><u>Mystery of our first interstellar visitor may be solved<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oumuamua  is the first confirmed object from another star to visit the solar system.<\/p>\n","protected":false},"author":5,"featured_media":6464,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-6463","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\/6463","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=6463"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/6463\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/6464"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=6463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=6463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=6463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}