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If the Central Engine of a Double-Lobed Radio Source Is

Question 244

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If the central engine of a double-lobed radio source is a black hole swallowing matter from an accretion disk,where do the jets of matter come from that we see traveling outward from the galaxy?


A) The jets are accelerated in the ergoregion of the rotating black hole and ejected outward in the black hole's equatorial plane.
B) The jets are composed of material that has been accelerated from two hemispheres toward the black hole with such speed that it escapes again on two opposite sides of the black hole.
C) The jets arise in the weak galactic magnetic field, not in the region near the black hole.
D) The jets are squirted out by high pressure in the accretion disk before the matter reaches the black hole.

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