{"id":126266,"date":"2021-11-22T12:05:28","date_gmt":"2021-11-22T12:05:28","guid":{"rendered":"https:\/\/www.edristi.in\/?p=126266"},"modified":"2021-11-22T12:05:29","modified_gmt":"2021-11-22T12:05:29","slug":"astronomers-discovered-a-planet-that-is-bigger-than-jupiter","status":"publish","type":"post","link":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/astronomers-discovered-a-planet-that-is-bigger-than-jupiter\/","title":{"rendered":"Astronomers Discovered a planet that is bigger than Jupiter"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Question: Astronomers from which of the following country have discovered a planet named as TOI 1789b, that is bigger than Jupiter?<br><\/strong>a) USA<br>b) India<br>c) UK<br>d) New Zealand<br><strong>Answer: (b)<br>Related Facts:-<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Indian astronomers have discovered a planet that is bigger than Jupiter which is orbiting too close to a star in its system.<\/li><li>The exoplanet is dubbed TOI 1789b, orbiting an ageing star that is 1.5 times that of our Sun and located 725 light-years away.<\/li><li>Scientists observed the planet between December 2020 and March 2021.<\/li><li>The discovery was done by the team led by Professor Abhijit Chakraborty. Professor Chakraborty is the head of exoplanet search and study group at the Physical Research Laboratory (PRL), Ahmedabad.<\/li><li>Astronomers used the Advanced Radial-velocity Abu-sky Search (PARAS) optical fibre-fed spectrograph to detect the planet.<\/li><li>This is the second such exoplanet discovery to come out of the PRL by scientists using PARAS at 1.2 m Mt. Abu telescope.<\/li><li>The first exoplanet K2-236b, a sub-Saturn size at 600 light-years away, was discovered in 2018.<\/li><li>Star TOI-1789 is one of the few nearby evolved stars with a close-in planet.<\/li><li>The details of this study published in the journal Monthly Notices of the Royal Astronomical Society.<\/li><li>The continued observations of the planet revealed that its mass is 70 per cent and size about 1.4 times that of Jupiter.<\/li><li>Follow-up measurements using TCES spectrograph in Germany showed that it was a unique system in which the planet orbits the host star in just 3.2 days.<\/li><li>This hot Jupiter is placed very-very close to the star at a distance of 0.05 AU (roughly one-tenth the distance between Sun and Mercury).<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Links:-<\/strong><br><a href=\"https:\/\/www.indiatoday.in\/science\/story\/isro-hot-jupiter-exoplanet-physical-research-laboratory-1877640-2021-11-17\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.indiatoday.in\/science\/story\/isro-hot-jupiter-exoplanet-physical-research-laboratory-1877640-2021-11-17<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question: Astronomers from which of the following country have discovered a planet named as TOI 1789b, that is bigger than Jupiter?a) USAb) Indiac) UKd) New ZealandAnswer: (b)Related Facts:- Indian astronomers have discovered a planet that is bigger than Jupiter which is orbiting too close to a star in its system. The exoplanet is dubbed TOI [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":126267,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1123],"tags":[3067],"class_list":["post-126266","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\/126266","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\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/comments?post=126266"}],"version-history":[{"count":1,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/126266\/revisions"}],"predecessor-version":[{"id":126268,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/posts\/126266\/revisions\/126268"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media\/126267"}],"wp:attachment":[{"href":"https:\/\/www.edristi.in\/hi\/%e0%a4%b9%e0%a5%8b%e0%a4%ae\/wp-json\/wp\/v2\/media?parent=126266"}],"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=126266"},{"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=126266"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}