{"id":12108,"date":"2023-01-26T18:06:13","date_gmt":"2023-01-26T18:06:13","guid":{"rendered":"https:\/\/www.africa-press.net\/cape-verde\/all-news\/astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away"},"modified":"2023-01-26T18:06:13","modified_gmt":"2023-01-26T18:06:13","slug":"astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/cape-verde\/all-news\/astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away","title":{"rendered":"Astronomers Detect 9 Billion Year-Old Signal From Galaxy Far, Far Away"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Cape verde. <\/strong><\/span>Time travel may not be possible for now, but the wonders of science and technology allow us to see things in the past &#8211; sometimes, on a cosmic scale. For instance, the Giant Metrewave Radio Telescope has recently picked up a signal that has traveled more than half the age of the universe.<\/p>\n<p>A team of astronomers from India and Canada has detected a radio signal from a very distant galaxy, which had been had been travelling to Earth for almost 9 billion years. The signal came from atomic hydrogen, the substance that is the main element in star formation in the galaxy.<\/p>\n<p>Atomic hydrogen emits radio waves, which can be detected by low-frequency radio telescopes. However, this signal is extremely weak, so it is very rare to be able to track the emission from a distant part of space. The signal detected by scientists this time came from the galaxy SDSSJ0826+5630, when the Universe was only 4.9 billion years old.<\/p>\n<p>Scientists made the discovery using data from the Giant Metrewave Radio Telescope (GMRT). The data itself was obtained because of gravitational lensing, when the presence of another massive body bends the light emitted by other sources. Such a process effectively results in the \u201c<b>magnification<\/b>\u201d of the signal. In the case studied, the original light wave of the signal was 21 centimetres long and increased to 48 centimetres, which helped with picking it up.<\/p>\n<p><b>&#8220;But thanks to the help of a naturally occurring phenomenon called gravitational lensing, we can capture a faint signal from a record-breaking distance. This will help us understand the composition of galaxies at much greater distances from Earth,&#8221;<\/b> Professor Dobbs said.<\/p>\n<p><strong>For More News And Analysis About <a href=\"https:\/\/www.africa-press.net\/cape-verde\">Cape verde<\/a> Follow <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Cape verde. Time travel may not be possible for now, but the wonders of science and technology allow us to see things in the past &#8211; sometimes, on a cosmic scale. For instance, the Giant Metrewave Radio Telescope has recently picked up a signal that has traveled more than half the age of [&hellip;]<\/p>\n","protected":false},"author":84,"featured_media":12107,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,9],"tags":[233,331,328],"class_list":["post-12108","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-news","category-miscellaneous","tag-africa-press","tag-africa-press-cape-verde","tag-cape-verde"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Astronomers Detect 9 Billion Year-Old Signal From Galaxy Far, Far Away - Cape Verde<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/cape-verde\/all-news\/astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Astronomers Detect 9 Billion Year-Old Signal From Galaxy Far, Far Away - Cape Verde\" \/>\n<meta property=\"og:description\" content=\"Africa-Press &#8211; Cape verde. Time travel may not be possible for now, but the wonders of science and technology allow us to see things in the past &#8211; sometimes, on a cosmic scale. For instance, the Giant Metrewave Radio Telescope has recently picked up a signal that has traveled more than half the age of [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/cape-verde\/all-news\/astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away\" \/>\n<meta property=\"og:site_name\" content=\"Cape Verde\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/AfricaPressTunisiaa\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-26T18:06:13+00:00\" \/>\n<meta name=\"author\" content=\"cfeditoren\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditoren\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/cape-verde\/all-news\/astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/cape-verde\/all-news\/astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away\"},\"author\":{\"name\":\"cfeditoren\",\"@id\":\"https:\/\/www.africa-press.net\/cape-verde\/#\/schema\/person\/068c7ab4e9634ae78ec5d54ec46598bb\"},\"headline\":\"Astronomers Detect 9 Billion Year-Old Signal From Galaxy Far, Far Away\",\"datePublished\":\"2023-01-26T18:06:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/cape-verde\/all-news\/astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away\"},\"wordCount\":295,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/cape-verde\/all-news\/astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/cape-verde\/sites\/66\/2023\/01\/postQueueImg_1674743810.10.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-Cape verde\",\"Cape verde\"],\"articleSection\":[\"all news\",\"miscellaneous\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/cape-verde\/all-news\/astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/cape-verde\/all-news\/astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away\",\"url\":\"https:\/\/www.africa-press.net\/cape-verde\/all-news\/astronomers-detect-9-billion-year-old-signal-from-galaxy-far-far-away\",\"name\":\"Astronomers Detect 9 Billion Year-Old Signal From Galaxy Far, Far Away - 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