Years after ripping stars to shreds, 24 black holes suddenly flared up with radio waves in inexplicable 'burping' bouts. Half of all star-killing black holes may experience the same.
I remember when I used to believe that nothing escaped a black hole past the event horizon. I remember when I used to think a black hole was an actual hole. I sure hope Santa isn’t late this year. There are some things still with believing in.
There’s the hard event horizon and then there’s multiple radii past it with different effects on orbits (such as the photon orbit radius, stable circular orbit radius, etc) and if you’re very close you’re also dealing with “weaker” horizons like a radius where most light gets redshifted past visibility even if mass can still escape if it’s fast enough.
I remember when I used to believe that nothing escaped a black hole past the event horizon. I remember when I used to think a black hole was an actual hole. I sure hope Santa isn’t late this year. There are some things still with believing in.
You’re still right about that first part. It’s a poorly written headline, all of the matter being ejected hasn’t passed the event horizon
There’s the hard event horizon and then there’s multiple radii past it with different effects on orbits (such as the photon orbit radius, stable circular orbit radius, etc) and if you’re very close you’re also dealing with “weaker” horizons like a radius where most light gets redshifted past visibility even if mass can still escape if it’s fast enough.
https://profoundphysics.com/black-hole-orbits/
I mean, nothing does, so why did you change your beliefs?
Hawking radiation.
Hawking radiation isn’t something leaving the event horizon, it’s created outside. Nothing that is inside can leave.