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Astronomers solve the mystery of black holes' delayed cosmic 'burps'

Researchers have discovered why supermassive black holes emit radio bursts years after tearing apart stars. These events are linked to extreme feeding rates during Tidal Disruption Events. The findings provide a chemical blueprint to predict these occurrences early.

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Scientists have linked delayed radio flares to the feeding patterns of supermassive black holes during star-shredding events.

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  1. Astronomers Identify Cause of Delayed Supermassive Black Hole Radio Burps

    Researchers have discovered why supermassive black holes emit radio bursts years after tearing apart stars. These events are linked to extreme feeding rates during Tidal Disruption Events. The findings provide a chemical blueprint to predict these occurrences early.

    What's confirmed:

    • Supermassive black holes emit delayed radio bursts years after consuming stars.
    • These radio flares are linked to feeding rates during Tidal Disruption Events.
    • The NSF Very Large Array was used to observe material slamming into surrounding gas and glowing in radio waves.

    Still unconfirmed:

    • Late-time radio burps occur specifically when a black hole eats too fast or too slowly.
    • Tidal disruption event AT2018fyk is associated with these findings.
    confidence 90%