In Which Direction(s)is/are the Jets of Matter Ejected from a Supermassive

question 294

Multiple Choice

In which direction(s) is/are the jets of matter ejected from a supermassive black hole to produce the many effects surrounding quasars and active galaxies?

• A) two opposite directions perpendicular to the accretion disk of the black hole
• B) a single direction above the accretion disk, the precession of which sweeps the jet along the surface of a cone
• C) two opposite directions across the accretion disk and rotating with it
• D) tangential to the accretion disk in two opposite directions, 180° apart, with matter being spun off by the rapid disk rotation

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