Multiple Choice
The specific characteristics that identify MOST quasars are:
A) that they look like elliptical galaxies but with high spectral redshifts.
B) bright, starlike appearance and very high spectral blueshift, indicating that they are approaching the Sun very fast, and rapid intensity fluctuations, indicating small intrinsic size.
C) bright, starlike appearance with very high redshifts and hence very large distances, indicating very energetic sources.
D) spiral galaxy appearance and very high spectral blueshift, indicating that they are coming toward the Sun at high speed.
Correct Answer:

Verified
Correct Answer:
Verified
Q29: The intensity of radiation coming from an
Q77: The source of the hot, intergalactic gas
Q123: Where are many of the older, metal-poor
Q129: In the self-propagating star formation theory<br>A) spiral
Q399: How are galaxies spread throughout the universe?<br>A)
Q402: What is the famous Virgo cluster of
Q405: Did the distribution of dark matter affect
Q406: Which arrangement of distance-measuring techniques is listed
Q407: Which statistic is NOT useful for mapping
Q408: Collisions between galaxies:<br>A) occur only very occasionally