Multiple Choice
In the 1960s,Maarten Schmidt determined that quasars were very distant objects by
A) determining how luminous they were.
B) determining how small the source of light was from its variations in luminosity.
C) discovering that they were embedded in distant galaxies.
D) determining their redshifts.
E) determining their parallax angles.
Correct Answer:

Verified
Correct Answer:
Verified
Q30: A protogalactic cloud with slow star formation
Q31: Which of the following is not a
Q32: Quasar spectra often show many absorption lines
Q33: Starburst galaxies produce most of their light
Q34: The observed relationship of 1/500 between the
Q36: Why do spiral galaxy mergers often trigger
Q37: If the Andromeda Galaxy collided with the
Q38: Suppose we observe a source of X-rays
Q39: The unusually bright centers found in some
Q40: Briefly explain why starburst galaxies appear fairly