MadSci Network: Astronomy

Subject: What are plasma jets from spining black holes and Hawking radiation?

Date: Mon Nov 12 01:01:16 2001
Posted by Kevin
Grade level: grad (non-science) School: No school entered.
City: Edmonton State/Province: Alberta Country: Canada
Area of science: Astronomy
ID: 1005544876.As

Hi my name is Kevin and I have read some books on physics and black holes and I 
am wondering if you can answer some questions for me. Please forgive my 
spelling I donít usually write letters of this nature.  

Q1) The jets of plasma coming out of the poles of a rapidly spinning feeding 
black hole extend for a long distance (I think thousands of light years?). I 
heard that the energy needed to do this was more than what the friction of the 
spinning mater disc (feeding material) can generate. So is the contributing 
factor to this access energy actually some kind of antigravity? And if not are 
there other things to consider when it comes to this excess energy other than 

Q2) How dos Hawking Radiation shrink a black hole? (I think its called Hawking 

Re: What are plasma jets from spining black holes and Hawking radiation?

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