{"id":57859,"date":"2018-09-25T08:11:20","date_gmt":"2018-09-25T08:11:20","guid":{"rendered":"https:\/\/www.edristi.in\/?p=57859"},"modified":"2018-09-25T08:11:20","modified_gmt":"2018-09-25T08:11:20","slug":"pslv-c42-launches-2-foreign-satellites","status":"publish","type":"post","link":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/pslv-c42-launches-2-foreign-satellites\/","title":{"rendered":"PSLV-C42 launches 2 foreign satellites"},"content":{"rendered":"<p style=\"text-align: justify;\"><strong>Question- Which two foreign satellites have launched by ISRO\u2019s PSLV-C42 from Satish Dhawan Space Centre?<\/strong><br \/>\n<strong>(a)NovaSAR and S1-4.<\/strong><br \/>\n<strong>(b)NovaSAR and PRATHAM.<\/strong><br \/>\n<strong>(c)S1-4 and PISAT.<\/strong><br \/>\n<strong>(d)None of the above.<\/strong><br \/>\n<strong>Answer-(a)<\/strong><br \/>\n<strong>Related facts-<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li><strong>On 16 September 2018, Polar Satellite Launch Vehicle (PSLV-C42)<\/strong> of Indian Space Research Organization (ISRO) successfully launched two satellites &#8211;<strong>NovaSAR and S1-4<\/strong>&#8211; from the Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota.<\/li>\n<li>Both of the satellites belong to UK-based Surrey Satellite Technology Limited (SSTL).<\/li>\n<li>This was the 44<sup>th<\/sup>flight of PSLV and the 12<sup>th<\/sup>\u00a0flight of the <strong>Core Alone version (which is the lightest version)<\/strong> of the vehicle.<\/li>\n<li>Till now, ISRO has launched <strong>239 foreign satellites<\/strong> of 28 countries.<\/li>\n<li>With the launch of the combination of high resolution optical and radar (SAR) satellites, the <strong>PSLV-C42<\/strong> marked the latest technology and commercial collaboration between India and the UK.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>\u00a0NovaSAR-<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>It carries S-band Synthetic Aperture Radar (SAR) and Automatic Identification Receiver payloads.<\/li>\n<li>The <strong>applications of this satellite<\/strong> include forestry mapping, land use and ice cover monitoring, flood and disaster monitoring and maritime missions.<\/li>\n<li>It will be controlled from UK.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>S1-4-<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>It\u00a0is a high resolution earth observation satellite.<\/li>\n<li>It is used for surveying resources, environment monitoring, urban management and disaster monitoring.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>PSLV-<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>PSLV (Polar Satellite Launch Vehicle) is an indigenously-developed expendable launch system of the ISRO (Indian Space Research Organization).<\/li>\n<li>It is a medium-lift launcher which launches satellites up to various orbits, including the <strong>Geo Synchronous Transfer Orbit, Lower Earth Orbit, and Polar Sun Synchronous Orbit<\/strong>. All the operations of PSLV are controlled from the Satish Dhawan Space Center, Sriharikota.<\/li>\n<li><strong>PSLV has a four-stage system-<\/strong><\/li>\n<\/ul>\n<ol style=\"text-align: justify;\">\n<li><strong>The first stage, which is at the bottom of the vehicle, is solid fuelled having six strap-on solid rocket boosters wrapped around it.<\/strong><\/li>\n<li><strong>Second stage is liquid fuelled.<\/strong><\/li>\n<li><strong>Third stage has a solid fuelled rocket motor.<\/strong><\/li>\n<li><strong>Fourth stage, the launcher uses a liquid propellant to boost in the outer space.\u00a0<\/strong><\/li>\n<\/ol>\n<p style=\"text-align: justify;\"><strong>Core Alone Version<\/strong>&#8211;<\/p>\n<ul style=\"text-align: justify;\">\n<li>Apart from the regular version, PSLV is used in its Core Alone version and <strong>XL Version.<\/strong><\/li>\n<li>Core Alone Version is launched without six strap-on boosters and less propellant in its upper stage.<\/li>\n<li>This used for launching smaller payloads.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>XL Version-<\/strong><\/p>\n<ul style=\"text-align: justify;\">\n<li>The XL version is launched with extra propellant in the strap-on solid rocket boosters.<\/li>\n<li>This version is used to increase the payload capacity i.e. for launching bigger payloads.<\/li>\n<li>During the previous launch <strong>(PSLV-C41, April 12, 2018),<\/strong> the \u2018XL\u2019 version of PSLV with six strap-on motors was used for launching the IRNSS-1I navigation satellite.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong>References-<\/strong><\/p>\n<p style=\"text-align: justify;\"><a href=\"http:\/\/pib.nic.in\/PressReleseDetail.aspx?PRID=1546299\" target=\"_blank\" rel=\"noopener\">http:\/\/pib.nic.in\/PressReleseDetail.aspx?PRID=1546299<\/a><\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/economictimes.indiatimes.com\/definition\/pslv\" target=\"_blank\" rel=\"noopener\">https:\/\/economictimes.indiatimes.com\/definition\/pslv<\/a><\/p>\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\">\n<p style=\"text-align: justify;\">\n","protected":false},"excerpt":{"rendered":"<p>Question- Which two foreign satellites have launched by ISRO\u2019s PSLV-C42 from Satish Dhawan Space Centre? (a)NovaSAR and S1-4. (b)NovaSAR and PRATHAM. (c)S1-4 and PISAT. (d)None of the above. Answer-(a) Related facts- On 16 September 2018, Polar Satellite Launch Vehicle (PSLV-C42) of Indian Space Research Organization (ISRO) successfully launched two satellites &#8211;NovaSAR and S1-4&#8211; from the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":57860,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1123],"tags":[3067],"class_list":["post-57859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-snes","tag-scientific"],"_links":{"self":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/57859","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/comments?post=57859"}],"version-history":[{"count":0,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/57859\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media\/57860"}],"wp:attachment":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media?parent=57859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/categories?post=57859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/tags?post=57859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}