{"id":295985,"date":"2025-05-02T15:38:29","date_gmt":"2025-05-02T15:38:29","guid":{"rendered":"https:\/\/news.talkwithrattan.com\/index.php\/2025\/05\/02\/new-study-uncovers-shadowy-origins-of-universes-most-luminous-phenomena\/"},"modified":"2025-05-02T15:38:30","modified_gmt":"2025-05-02T15:38:30","slug":"new-study-uncovers-shadowy-origins-of-universes-most-luminous-phenomena","status":"publish","type":"post","link":"https:\/\/news.talkwithrattan.com\/index.php\/2025\/05\/02\/new-study-uncovers-shadowy-origins-of-universes-most-luminous-phenomena\/","title":{"rendered":"New Study Uncovers Shadowy Origins of Universe\u2019s Most Luminous Phenomena"},"content":{"rendered":"
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Some of the brightest lights in the\u2002universe shine from some of its darkest corners \u2014 so-called supermassive black holes<\/a>. Invisible to the human eye, these high-energy powerhouses light up the cosmos with emissions that are\u2002detected by space telescopes. Thousands of such light sources have been discovered\u2002with NASA’s Fermi Gamma-ray Space Telescope<\/a>, which has been observing since 2008. These aren’t just stars \u2014 they are active galactic nuclei (AGN) where large gravitational forces fling matter around black holes, creating intense radiation blasts all across the electromagnetic spectrum.<\/p>\n

Blazars and AGN Jets Reveal How Black Holes Shape and Light Up the Universe<\/h2>\n

As per NASA’s report<\/a> ,observational data, black holes lurk at the centres of most galaxies and are hundreds of thousands\u2002to billions of times the mass of the sun. In AGN, gas and dust\u2002fall into an inward-spiralling disk. Second, the disks experience friction and magnetic\u2002forces that produce light from radio to gamma rays. About one in ten AGN produce powerful jets of particles that move at nearly the speed of light, and it’s still a mystery<\/a> to scientists how material so close to the event horizon is\u2002accelerated in the jets.<\/p>\n

, the type of AGN observed depends on its orientation relative to Earth. Radio galaxies shoot their jets sideways, while blazars aim them nearly straight at us, making them appear especially bright in gamma rays. Fermi’s sky surveys show that more than half of the thousands of gamma-ray sources it has recorded are blazars, giving researchers vital clues about the energetic mechanics behind these cosmic light shows.<\/p>\n

AGN are more than\u2002just bright; scientists are attracted to them for what they tell us about cosmic<\/a> history. AGN existed in the early\u2002universe and were probably important in modulating galaxy evolution. Astrophysicists will use observations and analyses of\u2002the conditions directly around these black holes to learn more about the structure and history of the universe itself.<\/p>\n

The\u2002paradox is acute: black holes are famous for eating up all the light and matter they can latch onto, but they lie behind some of the most luminous phenomena<\/a> seen in space. Through missions like Fermi, scientists are adjusting the picture of the\u2002universe, in which some of its darkest origins can sparkle the most.<\/p>\n

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Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Some of the brightest lights in the\u2002universe shine from some of its darkest corners \u2014 so-called supermassive black holes. Invisible to the human eye, these high-energy powerhouses light up the cosmos with emissions that are\u2002detected by space telescopes. Thousands of such light sources have been discovered\u2002with NASA’s Fermi Gamma-ray Space Telescope, which has been observing […]<\/p>\n","protected":false},"author":2,"featured_media":295986,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","fifu_image_url":"https:\/\/i.gadgets360cdn.com\/large\/SCI_1_-_F_2_1746166995655.jpg","fifu_image_alt":"","footnotes":""},"categories":[607],"tags":[230127,230128,100021,131577,230129,230130,141429,230131,230126,23989,24468,80010,107313,250,14846,5431],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/295985"}],"collection":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/comments?post=295985"}],"version-history":[{"count":1,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/295985\/revisions"}],"predecessor-version":[{"id":295987,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/295985\/revisions\/295987"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media\/295986"}],"wp:attachment":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media?parent=295985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/categories?post=295985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/tags?post=295985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}