


{"id":15249,"date":"2023-09-27T11:54:22","date_gmt":"2023-09-27T06:24:22","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=15249"},"modified":"2025-04-03T09:33:39","modified_gmt":"2025-04-03T04:03:39","slug":"tess","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/tess\/","title":{"rendered":"Transiting Exoplanet Survey Satellite (TESS)"},"content":{"rendered":"<h2><strong>About Transiting Exoplanet Survey Satellite (TESS):<\/strong><\/h2>\n<ul>\n<li>It is a\u00a0<strong>NASA mission to discover exoplanets around nearby bright stars.<\/strong><\/li>\n<li><strong>Launch<\/strong>: It was launched on\u00a0<strong>April 18, 2018,<\/strong> aboard a\u00a0<strong>SpaceX Falcon 9 rocket out of Cape Canaveral.<\/strong><\/li>\n<li><strong>Orbit<\/strong>: TESS circles Earth in a\u00a0<strong>unique high Earth orbit of 12 to 15 days<\/strong>, which is\u00a0<strong>inclined in a way that the telescope\u2019s sky view is largely free from obstructions<\/strong> by our bright planet and the Moon.<\/li>\n<li>The\u00a0<strong>prime mission ended on July 4, 2020,<\/strong> and TESS is\u00a0<strong>now on an extended mission<\/strong>.<\/li>\n<li>TESS is\u00a0<strong>finding planets ranging from small, rocky worlds to giant planets<\/strong>, showcasing the diversity of planets in the galaxy.<\/li>\n<li><strong>How does TESS find exoplanets?<\/strong>\n<ul>\n<li>It\u00a0<strong>uses the transit method to detect planets<\/strong>.<\/li>\n<li>It\u00a0<strong>looks for periodic dips in stars&#8217; brightness<\/strong>\u00a0<strong>as planets cross in front of them along our sightline.<\/strong><\/li>\n<li>The\u00a0<strong>larger the planet, the further the drop in brightness<\/strong> during the transit.\u00a0<\/li>\n<li><strong>How long it takes a planet to pass in front of the star and come back tells us the shape of its orbit.<\/strong><\/li>\n<li>This method\u00a0<strong>reveals the diameter of the planet and the size of its orbit<\/strong>.\u00a0<strong>Orbits within a certain range lie in the \u201chabitable zone\u201d,<\/strong> where liquid water can exist on the surface of an Earth-like world.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1) What is an Exoplanet?<\/h3>\n<p>All of the planets in our solar system orbit around the Sun. Planets that orbit around other stars are called exoplanets.<\/p>\n<p><strong>Source: <\/strong><a href=\"https:\/\/phys.org\/news\/2023-09-low-density-exoplanet-tess.html\" target=\"_blank\" rel=\"nofollow noopener\"><u>New low-density exoplanet discovered with TESS<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>TESS is a NASA mission to discover exoplanets around nearby bright stars. <\/p>\n","protected":false},"author":5,"featured_media":15250,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-15249","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\/15249","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=15249"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/15249\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/15250"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=15249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=15249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=15249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}