Collapsed hypergiant forms a gamma ray pulsating black hole

[Null_]

I am having a hard time understanding the theory that a collapsed hypergiant forms a gamma ray pulsating black hole. Can someone explain how the em radiation can travel so fast with such energy as to not only escape the event horizon but also do so with such intensity?

 

[Janus]

The radiation does not escape the event horizon. It is released by matter falling into the black hole before it crosses the event horizon. The Hyper nova is caused when the core collapses directly into a black hole. The remaining mass of the star forms an accretion disk, and it is this matter that creates the radiation emitted at the rotational poles.

 

[IcedEcliptic]

The radiation does not escape the event horizon. It is released by matter falling into the black hole before it crosses the event horizon. The Hyper nova is caused when the core collapses directly into a black hole. The remaining mass of the star forms an accretion disk, and it is this matter that creates the radiation emitted at the rotational poles.

Other than the magnitude and size of the event, it is not materially different from an AGN, or any accreting body, correct?

 

[Chronos]

Hypernova are generally believed to form from the collapse of pop III stars. None are known to exist locally. Metallicity messes with collapse events in ways we do not understand. Lack of metallicity is believed to allow gamma bursts. Colliding neutron stars are the other suspect, these may explain short gamma bursts.