In the context of the unified model of active galactic nuclei (AGN), you see jets of gas and radiation emerging perpendicular to the accretion disk of an AGN and coming straight at you if:
A) the accretion disk is tilted at an angle of 30 degrees to your line of sight.
B) you look directly into the central cavity around the black hole.
C) you view the accretion disk from its edge.
D) the accretion disk is tilted at an angle of 60 degrees to your line of sight.
B
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Answer the following statement(s) true (T) or false (F)
Bell’s theorem shows that quantum theory contradicts any “hidden variable theory” that presumes that a quanton has objectively real properties
Although it is greatly exaggerated as shown, what real effect does this diagram show?
A) The perihelion and aphelion of Mercury's orbit gradually precesses around the Sun. B) Time runs slow on Mercury. C) Mercury has a spiral shaped orbit around the Sun. D) Mercury will eventually fly off into space.
A light woman and a heavy man jump from an airplane at the same time and open their same—size parachutes at the same time. Which person reaches a state of zero acceleration first?
A) the light woman B) the heavy man C) both at the same time D) not enough information
Gravitational lensing
a. occurs when light passes near a massive object and is deflected by the object's gravitational field. b. can be used to determine the luminosity of a galaxy. c. occurs when the mass of a galaxy is greater than expected from the luminosity of the galaxy. d. occurs when the mass of a galaxy is less than expected from the luminosity of the galaxy. e. can be used to determine the recessional velocity of a galaxy.