{"id":6796,"date":"2023-03-29T04:40:45","date_gmt":"2023-03-28T23:10:45","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=6796"},"modified":"2025-03-28T15:01:10","modified_gmt":"2025-03-28T09:31:10","slug":"what-is-trappist-1-b","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-is-trappist-1-b\/","title":{"rendered":"What is TRAPPIST-1 b?"},"content":{"rendered":"<h2><strong>About TRAPPIST-1 b:<\/strong><\/h2>\n<ul>\n<li>It is a <strong>hot rocky exoplanet<\/strong> <strong>orbiting<\/strong> an ultracool <strong>red dwarf star TRAPPIST-1.<\/strong><\/li>\n<li>It is the <strong>innermost of<\/strong> seven known planets in the <strong>TRAPPIST-1 system.<\/strong><\/li>\n<li>It has <strong>1.4 times the mass<\/strong> and <strong>1.1 times the radius of Earth.<\/strong><\/li>\n<li>It <strong>orbits its star<\/strong> at a distance of <strong>0.011 astronomical unit (AU<\/strong>), <strong>completing<\/strong> <strong>one circuit<\/strong> in <strong>just 1.51 Earth days<\/strong>.<\/li>\n<li>It <strong>receives<\/strong> about <strong>four times the amount of energy that Earth gets from the Sun<\/strong>.<\/li>\n<li>TRAPPIST-1b is <strong>tidally locked<\/strong>, meaning that one side of the planet always faces the star, and one side looks away.\u00a0<\/li>\n<\/ul>\n<h3>What is an astronomical unit (AU)?<\/h3>\n<ul>\n<li>An AU is the <strong>average distance between Earth and the Sun<\/strong>, which is about 93 million miles or <strong>150 million kilometres.\u00a0<\/strong><\/li>\n<li>It is usually used to <strong>measure distances within our Solar System<\/strong>.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1)\u00a0What is an Exoplanet?<\/h3>\n<p>An exoplanet is any planet beyond our solar system. Most orbit other stars, but free-floating exoplanets, called rogue planets, orbit the galactic center and are untethered to any star.<\/p>\n<p><strong>Source:\u00a0<\/strong><a href=\"https:\/\/www.indiatoday.in\/science\/story\/trasppis-1-system-nasa-james-webb-telescope-solar-system-2352409-2023-03-28\" target=\"_blank\" rel=\"nofollow noopener\"><u>Earth-like planet expected to be habitable turns out to be a burning furnace<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>TRAPPIST-1 b is a hot rocky exoplanet orbiting an ultracool red dwarf star TRAPPIST-1.<\/p>\n","protected":false},"author":5,"featured_media":6797,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-6796","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\/6796","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=6796"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/6796\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/6797"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=6796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=6796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=6796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}