{"id":172149,"date":"2022-03-04T19:06:00","date_gmt":"2022-03-04T13:36:00","guid":{"rendered":"https:\/\/blog.forumias.com\/?p=172149"},"modified":"2022-03-04T19:06:00","modified_gmt":"2022-03-04T13:36:00","slug":"saras-3-radio-telescope-refutes-recent-claim-of-the-discovery-of-a-radio-wave-signal-from-cosmic-dawn","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/saras-3-radio-telescope-refutes-recent-claim-of-the-discovery-of-a-radio-wave-signal-from-cosmic-dawn\/","title":{"rendered":"SARAS 3 radio telescope refutes recent claim of the discovery of a radio wave signal from cosmic dawn"},"content":{"rendered":"\n<h5><b>What is the news?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">Indian astronomers have refuted the recent claim of a discovery of a radio wave signal from Cosmic Dawn, the time in the infancy of our Universe when the first stars and galaxies came into existence.<\/span><\/p>\n<h5><b>Background<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">In 2018, a team of researchers from Arizona State University (ASU) and MIT in the US <\/span><span style=\"font-weight: 400;\">detected a signal from stars emerging in the early universe <\/span><span style=\"font-weight: 400;\">using data from the EDGES radio telescope<\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The researchers <\/span><span style=\"font-weight: 400;\">had claimed the discovery of a radio wave signaling the birth of the First Stars, However, the world awaited confirmation from independent researchers.<\/span><\/p>\n<h5><b>What did the SARAS 3 radio telescope find about this claim?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">SARAS 3 radio telescope did not find any evidence of the radio wave signal claimed by the EDGES experiment.<\/span><\/p>\n<h5><b>What is <\/b><b>SARAS 3 Radio Telescope?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">SARAS 3 radio telescope was invented and built by the astronomers at <\/span><span style=\"font-weight: 400;\">Raman Research Institute, an autonomous research institute engaged in research in basic sciences.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The telescope was <\/span><span style=\"font-weight: 400;\">designed, built and deployed in India to detect extremely faint radio wave signals from the depths of time, from our \u201cCosmic Dawn\u201d when the first stars and galaxies formed in the early Universe.<\/span><\/p>\n<h5><b>Why is it difficult to detect <\/b><b>radio wave signals from <\/b><b>an early period of the Universe?<\/b><\/h5>\n<p><span style=\"font-weight: 400;\">Detecting a Radio wave signal from <\/span><span style=\"font-weight: 400;\">Cosmic Dawn, the time in the infancy of our Universe when the first stars and galaxies came into existence, <\/span><span style=\"font-weight: 400;\">is extremely difficult.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This is because the celestial signal is exceptionally faint \u2013 buried in sky radio waves that come to us from the gas in our own Galaxy, the Milky Way, which are a million times brighter.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Besides, this cosmic signal is in a radio wavelength band used by numerous terrestrial communications equipment and TV and FM radio stations, which makes detecting the extra-terrestrial signal extremely difficult.<\/span><\/p>\n<p><b>Source: <\/b>This post is based on the article <b>\u201c<\/b><b>SARAS 3 radio telescope refutes recent claim of the discovery of a radio wave signal from cosmic dawn<\/b><b>\u201d <\/b>published in<b> PIB <\/b>on<b> 4th Mar 2022.<\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the news? Indian astronomers have refuted the recent claim of a discovery of a radio wave signal from Cosmic Dawn, the time in the infancy of our Universe when the first stars and galaxies came into existence. Background In 2018, a team of researchers from Arizona State University (ASU) and MIT in the&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/saras-3-radio-telescope-refutes-recent-claim-of-the-discovery-of-a-radio-wave-signal-from-cosmic-dawn\/\">Continue reading <span class=\"screen-reader-text\">SARAS 3 radio telescope refutes recent claim of the discovery of a radio wave signal from cosmic dawn<\/span><\/a><\/p>\n","protected":false},"author":10317,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,9],"tags":[3590],"class_list":["post-172149","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-public","tag-pib","entry"],"jetpack_featured_media_url":"","views":{"total":2,"cached_at":"","cached_date":1700653655},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/172149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10317"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=172149"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/172149\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=172149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=172149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=172149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}