{"id":91412,"date":"2025-06-01T10:56:07","date_gmt":"2025-06-01T10:56:07","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=91412"},"modified":"2025-06-01T10:56:07","modified_gmt":"2025-06-01T10:56:07","slug":"with-reference-to-astrosat-the-astronomical-observatory-launched-by","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/with-reference-to-astrosat-the-astronomical-observatory-launched-by\/","title":{"rendered":"With reference to &#8216;Astrosat&#8217;, the astronomical observatory launched by"},"content":{"rendered":"<p>With reference to &#8216;Astrosat&#8217;, the astronomical observatory launched by India, which of the following statements is\/are correct?<\/p>\n<ul>\n<li>1. Other than USA and Russia, India is the only country to have launched a similar observatory into space.<\/li>\n<li>2. Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the Earth.<\/li>\n<\/ul>\n<p>Select the correct answer using the code given below.<\/p>\n<p>[amp_mcq option1=&#8221;1 only&#8221; option2=&#8221;2 only&#8221; option3=&#8221;Both 1 and 2&#8243; option4=&#8221;Neither 1 nor 2&#8243; correct=&#8221;option4&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC IAS &#8211; 2016<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-ias-2016.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-ias-2016\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nStatement 1 is incorrect. While India&#8217;s Astrosat is a significant achievement, the claim that *only* USA and Russia, besides India, have launched similar astronomical observatories into space is false. Other space agencies and countries, notably the European Space Agency (ESA) with observatories like XMM-Newton and Integral, and Japan Aerospace Exploration Agency (JAXA) with missions like Suzaku and XRISM, have launched similar astronomical observatories capable of observing in multiple wavelengths (including X-ray, UV, etc.).<br \/>\nStatement 2 is incorrect. Astrosat&#8217;s actual mass is approximately 1513 kg (not 2000 kg), and it is placed in a low-Earth orbit at an altitude of about 650 km (not 1650 km).<br \/>\nSince both statements are incorrect, the correct option is D.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nAstrosat is India&#8217;s first dedicated multi-wavelength space observatory. Other countries\/agencies besides USA and Russia have also launched similar observatories. Astrosat&#8217;s orbital parameters (mass and altitude) stated in the statement are incorrect.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nAstrosat was launched by ISRO in September 2015. It has five instruments studying celestial objects in different wavelength bands: visible, ultraviolet, and X-ray.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>With reference to &#8216;Astrosat&#8217;, the astronomical observatory launched by India, which of the following statements is\/are correct? 1. Other than USA and Russia, India is the only country to have launched a similar observatory into space. 2. Astrosat is a 2000 kg satellite placed in an orbit at 1650 km above the surface of the &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"With reference to &#8216;Astrosat&#8217;, the astronomical observatory launched by\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/with-reference-to-astrosat-the-astronomical-observatory-launched-by\/#more-91412\">Detailed Solution<span class=\"screen-reader-text\">With reference to &#8216;Astrosat&#8217;, the astronomical observatory launched by<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1092],"tags":[1098,1198],"class_list":["post-91412","post","type-post","status-publish","format-standard","hentry","category-upsc-ias","tag-1098","tag-space-technology","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>With reference to &#039;Astrosat&#039;, the astronomical observatory launched by<\/title>\n<meta name=\"description\" content=\"Statement 1 is incorrect. While India&#039;s Astrosat is a significant achievement, the claim that *only* USA and Russia, besides India, have launched similar astronomical observatories into space is false. Other space agencies and countries, notably the European Space Agency (ESA) with observatories like XMM-Newton and Integral, and Japan Aerospace Exploration Agency (JAXA) with missions like Suzaku and XRISM, have launched similar astronomical observatories capable of observing in multiple wavelengths (including X-ray, UV, etc.). Statement 2 is incorrect. Astrosat&#039;s actual mass is approximately 1513 kg (not 2000 kg), and it is placed in a low-Earth orbit at an altitude of about 650 km (not 1650 km). Since both statements are incorrect, the correct option is D. Astrosat is India&#039;s first dedicated multi-wavelength space observatory. Other countries\/agencies besides USA and Russia have also launched similar observatories. Astrosat&#039;s orbital parameters (mass and altitude) stated in the statement are incorrect.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/with-reference-to-astrosat-the-astronomical-observatory-launched-by\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"With reference to &#039;Astrosat&#039;, the astronomical observatory launched by\" \/>\n<meta property=\"og:description\" content=\"Statement 1 is incorrect. While India&#039;s Astrosat is a significant achievement, the claim that *only* USA and Russia, besides India, have launched similar astronomical observatories into space is false. Other space agencies and countries, notably the European Space Agency (ESA) with observatories like XMM-Newton and Integral, and Japan Aerospace Exploration Agency (JAXA) with missions like Suzaku and XRISM, have launched similar astronomical observatories capable of observing in multiple wavelengths (including X-ray, UV, etc.). Statement 2 is incorrect. Astrosat&#039;s actual mass is approximately 1513 kg (not 2000 kg), and it is placed in a low-Earth orbit at an altitude of about 650 km (not 1650 km). Since both statements are incorrect, the correct option is D. Astrosat is India&#039;s first dedicated multi-wavelength space observatory. Other countries\/agencies besides USA and Russia have also launched similar observatories. Astrosat&#039;s orbital parameters (mass and altitude) stated in the statement are incorrect.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/with-reference-to-astrosat-the-astronomical-observatory-launched-by\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T10:56:07+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"With reference to 'Astrosat', the astronomical observatory launched by","description":"Statement 1 is incorrect. While India's Astrosat is a significant achievement, the claim that *only* USA and Russia, besides India, have launched similar astronomical observatories into space is false. Other space agencies and countries, notably the European Space Agency (ESA) with observatories like XMM-Newton and Integral, and Japan Aerospace Exploration Agency (JAXA) with missions like Suzaku and XRISM, have launched similar astronomical observatories capable of observing in multiple wavelengths (including X-ray, UV, etc.). Statement 2 is incorrect. Astrosat's actual mass is approximately 1513 kg (not 2000 kg), and it is placed in a low-Earth orbit at an altitude of about 650 km (not 1650 km). Since both statements are incorrect, the correct option is D. Astrosat is India's first dedicated multi-wavelength space observatory. Other countries\/agencies besides USA and Russia have also launched similar observatories. Astrosat's orbital parameters (mass and altitude) stated in the statement are incorrect.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/exam.pscnotes.com\/mcq\/with-reference-to-astrosat-the-astronomical-observatory-launched-by\/","og_locale":"en_US","og_type":"article","og_title":"With reference to 'Astrosat', the astronomical observatory launched by","og_description":"Statement 1 is incorrect. While India's Astrosat is a significant achievement, the claim that *only* USA and Russia, besides India, have launched similar astronomical observatories into space is false. Other space agencies and countries, notably the European Space Agency (ESA) with observatories like XMM-Newton and Integral, and Japan Aerospace Exploration Agency (JAXA) with missions like Suzaku and XRISM, have launched similar astronomical observatories capable of observing in multiple wavelengths (including X-ray, UV, etc.). Statement 2 is incorrect. Astrosat's actual mass is approximately 1513 kg (not 2000 kg), and it is placed in a low-Earth orbit at an altitude of about 650 km (not 1650 km). Since both statements are incorrect, the correct option is D. Astrosat is India's first dedicated multi-wavelength space observatory. Other countries\/agencies besides USA and Russia have also launched similar observatories. Astrosat's orbital parameters (mass and altitude) stated in the statement are incorrect.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/with-reference-to-astrosat-the-astronomical-observatory-launched-by\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T10:56:07+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/with-reference-to-astrosat-the-astronomical-observatory-launched-by\/","url":"https:\/\/exam.pscnotes.com\/mcq\/with-reference-to-astrosat-the-astronomical-observatory-launched-by\/","name":"With reference to 'Astrosat', the astronomical observatory launched by","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T10:56:07+00:00","dateModified":"2025-06-01T10:56:07+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Statement 1 is incorrect. While India's Astrosat is a significant achievement, the claim that *only* USA and Russia, besides India, have launched similar astronomical observatories into space is false. Other space agencies and countries, notably the European Space Agency (ESA) with observatories like XMM-Newton and Integral, and Japan Aerospace Exploration Agency (JAXA) with missions like Suzaku and XRISM, have launched similar astronomical observatories capable of observing in multiple wavelengths (including X-ray, UV, etc.). Statement 2 is incorrect. Astrosat's actual mass is approximately 1513 kg (not 2000 kg), and it is placed in a low-Earth orbit at an altitude of about 650 km (not 1650 km). Since both statements are incorrect, the correct option is D. Astrosat is India's first dedicated multi-wavelength space observatory. Other countries\/agencies besides USA and Russia have also launched similar observatories. Astrosat's orbital parameters (mass and altitude) stated in the statement are incorrect.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/with-reference-to-astrosat-the-astronomical-observatory-launched-by\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/with-reference-to-astrosat-the-astronomical-observatory-launched-by\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/with-reference-to-astrosat-the-astronomical-observatory-launched-by\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC IAS","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-ias\/"},{"@type":"ListItem","position":3,"name":"With reference to &#8216;Astrosat&#8217;, the astronomical observatory launched by"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/91412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=91412"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/91412\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=91412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=91412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=91412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}