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STAR-EATERS AND LIGHT-BURPERS.

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Title: STAR-EATERS AND LIGHT-BURPERS.
Authors: CENDES, YVETTE (AUTHOR)
Source: Scientific American. Spring/Summer2026 Special, Vol. 35 Issue 2, p50-57. 8p. 3 Color Photographs, 2 Diagrams.
Subjects: Supermassive black holes, Accretion disks, Astronomical observatories, Space telescopes, Radio waves, Astronomical observations, Radio jets (Astrophysics), Black holes
Abstract: The article focuses on recent discoveries about tidal disruption events (TDEs), where stars are torn apart by supermassive black holes, forming unstable accretion disks that emit bright flares. Traditionally thought to produce a single flare followed by silence, new radio observations reveal that up to half of these black holes exhibit delayed radio emissions—described as "burps"—years after the initial event, challenging previous assumptions about black hole feeding behavior. One notable case, AT2018hyz ("Jetty"), displayed an unusually bright and prolonged radio outflow, possibly indicating a mildly relativistic jet or a delayed relativistic jet becoming visible over time. These findings suggest complex accretion disk dynamics and open new avenues for studying black hole physics, with future surveys by the Vera C. Rubin Observatory and the Nancy Grace Roman Space Telescope expected to greatly increase the number of observed TDEs. [Extracted from the article]
Copyright of Scientific American is the property of Scientific American and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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An: 193910874
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  Data: STAR-EATERS AND LIGHT-BURPERS.
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  Data: <searchLink fieldCode="AR" term="%22CENDES%2C+YVETTE%22">CENDES, YVETTE</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Scientific+American%22">Scientific American</searchLink>. Spring/Summer2026 Special, Vol. 35 Issue 2, p50-57. 8p. 3 Color Photographs, 2 Diagrams.
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  Data: <searchLink fieldCode="DE" term="%22Supermassive+black+holes%22">Supermassive black holes</searchLink><br /><searchLink fieldCode="DE" term="%22Accretion+disks%22">Accretion disks</searchLink><br /><searchLink fieldCode="DE" term="%22Astronomical+observatories%22">Astronomical observatories</searchLink><br /><searchLink fieldCode="DE" term="%22Space+telescopes%22">Space telescopes</searchLink><br /><searchLink fieldCode="DE" term="%22Radio+waves%22">Radio waves</searchLink><br /><searchLink fieldCode="DE" term="%22Astronomical+observations%22">Astronomical observations</searchLink><br /><searchLink fieldCode="DE" term="%22Radio+jets+%28Astrophysics%29%22">Radio jets (Astrophysics)</searchLink><br /><searchLink fieldCode="DE" term="%22Black+holes%22">Black holes</searchLink>
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  Data: The article focuses on recent discoveries about tidal disruption events (TDEs), where stars are torn apart by supermassive black holes, forming unstable accretion disks that emit bright flares. Traditionally thought to produce a single flare followed by silence, new radio observations reveal that up to half of these black holes exhibit delayed radio emissions—described as "burps"—years after the initial event, challenging previous assumptions about black hole feeding behavior. One notable case, AT2018hyz ("Jetty"), displayed an unusually bright and prolonged radio outflow, possibly indicating a mildly relativistic jet or a delayed relativistic jet becoming visible over time. These findings suggest complex accretion disk dynamics and open new avenues for studying black hole physics, with future surveys by the Vera C. Rubin Observatory and the Nancy Grace Roman Space Telescope expected to greatly increase the number of observed TDEs. [Extracted from the article]
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  Data: <i>Copyright of Scientific American is the property of Scientific American and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Code: eng
        Text: English
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    Subjects:
      – SubjectFull: Supermassive black holes
        Type: general
      – SubjectFull: Accretion disks
        Type: general
      – SubjectFull: Astronomical observatories
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      – SubjectFull: Space telescopes
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      – SubjectFull: Radio waves
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      – SubjectFull: Astronomical observations
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      – SubjectFull: Radio jets (Astrophysics)
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              Text: Spring/Summer2026 Special
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              Y: 2026
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