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Roberto Gilli

As seen in: Nature, Inverse, Astronomy and Astrophysics (A&A)
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Articles by Roberto Gilli

The case for super-Eddington accretion in JWST broad-line active galactic nuclei during the first billion years

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By Erini Lambrides, Rebecca Larson, Marco Chiaberge, Arianna Long, Taylor Hutchison, Colin Norman, Jed McKinney, Hollis B. Akins, Danielle Berg, John Chisholm, Andreas L. Faisst, Roberto Gilli, Steven Gillman, Michaela Hirschmann, Jeyhan Kartaltepe, Dale Kocevski, Vasily Kokorev, Fabio Pacucci, Chris Richardson, Kelly Whalen, Kristen Garofali, Andrew Ptak, Francesca Civano, Aidan P. Cloonan, Ryan Endsley, Massimo Stiavelli
| Nature Verified
Abstract A multitude of studies of data recorded by the James Webb Space Telescope (JWST) reveal a surprising overabundance of over-massive accreting supermassive black holes, leading to a deepening tension between theory and observation for the first billion years of cosmic time.
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Scientists discover six galaxies entangled in an ancient black hole's web

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By Roberto Gilli, Passant Rabie Verified, Marco Mignoli
| Inverse Verified
black widow A new study hints at how the universe' mysterious behemoths grow to be so massive. Tucked within the deep center of galaxies, massive black holes lurk in the shadows and feed off of matter that dares come near. Some black holes go a step further, forming a web-like structure of galaxies, sucking the gas out their captured prey to grow even more massively in size. Now, astronomers think they have spotted a first-of-its kind incident.
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Galactic baby mama drama: New data upends theory of black holes

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By Passant Rabie Verified, Roberto Gilli
| Inverse Verified
When it comes to star formation, supermassive black holes are not what springs to mind — rather the opposite. These large cosmic monsters aren’t exactly known for their parenting skills. In fact, they often trigger the early demise of stars by putting an end to their formation. Black holes shoot out high-energy particle jets, which can eviscerate the materials from which stars form in nearby galaxies — putting the breaks on star formation. Some even swallow stars.
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