{"id":15321,"date":"2023-09-29T06:44:34","date_gmt":"2023-09-29T01:14:34","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=15321"},"modified":"2025-04-03T10:01:56","modified_gmt":"2025-04-03T04:31:56","slug":"calipso","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/calipso\/","title":{"rendered":"What is CALIPSO Mission?"},"content":{"rendered":"<h2><strong>About CALIPSO Mission<\/strong><\/h2>\n<ul>\n<li>CALIPSO (<strong>Cloud-Aerosol LIDAR and Infrared Pathfinder Satellite Observations<\/strong>) is a mission\u00a0<strong>dedicated to studying how clouds and aerosols impact the Earth\u2019s climate<\/strong>.\u00a0<\/li>\n<li>It is a\u00a0<strong>joint project between NASA<\/strong> (National Aeronautics and Space Administration)\u00a0<strong>and CNES (Centre National d&#8217;\u00c9tudes Spatiales), the French space agency.<\/strong><\/li>\n<li><strong>Launched in 2006<\/strong>, CALIPSO is a\u00a0<strong>satellite-based observatory<\/strong>.<\/li>\n<li>Scientists are using data from CALIPSO to\u00a0<strong>construct 3D models of the atmosphere<\/strong> that improve our ability\u00a0<strong>to predict future climate change.\u00a0<\/strong><\/li>\n<li>CALIPSO\u00a0<strong>has been part of a constellation of spacecraft called the &#8220;A-Train,&#8221;<\/strong> including Aqua, Aura, and PARASOL spacecraft,\u00a0<strong>dedicated to studying the Earth\u2019s weather<\/strong> and environment.<\/li>\n<li><strong>Instrumentation:<\/strong>\n<ul>\n<li>It carries\u00a0<strong>CALIOP, a two-wavelength, polarization-sensitive lidar<\/strong>, along with\u00a0<strong>two passive sensors\u00a0<\/strong>operating in the visible and thermal infrared spectral regions.<\/li>\n<li>The\u00a0<strong>lidar emitted pulses of laser light and measured the amount of light that was scattered back by clouds and aerosols<\/strong>. This information was used\u00a0<strong>to create vertical profiles of cloud and aerosol properties<\/strong>, such as their height, thickness, and optical depth.<\/li>\n<li>CALIOP is the\u00a0<strong>first lidar to provide long-term atmospheric measurements\u00a0<\/strong>from Earth&#8217;s orbit.<\/li>\n<li>This information helps scientists\u00a0<strong>create three-dimensional profiles\u00a0<\/strong>of cloud and aerosol distributions.<\/li>\n<li>The\u00a0<strong>mission recorded more than 10 billion LIDAR measurements<\/strong> and helped create\u00a0<strong>thousands of scientific reports<\/strong> over its 17 years of operation.\u00a0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3>Q1) What are aerosols?<\/h3>\n<p>Aerosols are tiny particles or droplets suspended in the air or another gas. They can be solid or liquid and vary in size from microscopic (nanometers) to larger particles that can be seen with the naked eye. Aerosols are ubiquitous in the Earth&#8217;s atmosphere and can originate from natural sources as well as human activities.\u00a0<\/p>\n<p><strong>Source:<\/strong> <a href=\"https:\/\/indianexpress.com\/article\/technology\/science\/nasa-calipso-mission-blasting-lasers-earth-8959943\/\" target=\"_blank\" rel=\"nofollow noopener\"><u>NASA\u2019s CALIPSO mission stops blasting lasers at Earth after 17 years<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CALIPSO (Cloud-Aerosol LIDAR and Infrared Pathfinder Satellite Observations) is a mission dedicated to studying how clouds and aerosols impact the Earth\u2019s climate. <\/p>\n","protected":false},"author":5,"featured_media":15322,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-15321","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\/15321","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=15321"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/15321\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/15322"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=15321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=15321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=15321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}