Originally Posted by trickson
If black holes suck every thing in including light , Then why is it that jets can come out of the center of them . I mean if the gravity is so intense as to suck in light and every thing then why are jets of hot gas and radiation allowed to escape ?
The jets don't come out of the black hole - nothing can get out.
They're caused by the motion of the disc of gas and dust falling in and the intense gravity. I don't think that scientists have quite figured out how the jets at 90 degrees to the plane of the discs are formed though.