Author Question: The lensing of a distant quasar is produced by ________ of a foreground galaxy. A) all the normal ... (Read 74 times)

jessicacav · **on:** Jul 27, 2018

The lensing of a distant quasar is produced by ________ of a foreground galaxy.

A) all the normal matter and dark matter
B) only the mass of the black hole in the nucleus
C) an individual star
D) a pulsar's intense magnetic field
E) a relativistic jet

Question 2

At the surface of Saturn's atmosphere the strength of the magnetic field is:

A) about the same as Mercury's magnetic field at its surface.
B) about the same as Venus' magnetic field at its surface.
C) about the same as Earth's magnetic field at its surface.
D) about the same as Mars' magnetic field at its surface.
E) about the same as Jupiter's magnetic field at its atmospheric surface.