New Study Uncovers Shadowy Origins of Universe’s Most Luminous Phenomena 603es Technology News

NASA's Fermi Telescope finds brightest light sources originate near black holes at galaxy centres. 1r303i

Written by Gadgets 360 Staff | Updated: 2 May 2025 20:01 IST

New Study Uncovers Shadowy Origins of Universe’s Most Luminous Phenomena

Photo Credit: Firefly Aerospace/NSF via YouTube 17314r

Fermi detects gamma rays from active galaxies with spinning black hole disks

Highlights

Black holes fuel the universe’s brightest light sources
AGN jets emit powerful gamma rays
Fermi finds thousands of active galaxies

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Some of the brightest lights in the universe shine from some of its darkest corners — so-called supermassive Space Telescope, which has been observing since 2008. These aren't just stars — they are active galactic nuclei (AGN) where large gravitational forces fling matter around black holes, creating intense radiation blasts all across the electromagnetic spectrum.

Blazars and AGN Jets Reveal How Black Holes Shape and Light Up the Universe u2n4b

As per NASA's mystery to scientists how material so close to the event horizon is accelerated in the jets.

, 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.

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

The paradox 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 seen in space. Through missions like Fermi, scientists are adjusting the picture of the universe, in which some of its darkest origins can sparkle the most.

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