Multiple Choice
Which of the following best describes poor clusters?
A) They contain lots of young stars and are found in the disk of a spiral galaxy.
B) They contain more than 1000 galaxies and are generally elliptical in shape.
C) They contain fewer than 1000 galaxies and have irregular shapes.
D) They are found in the nucleus of the galaxy.
Correct Answer:

Verified
Correct Answer:
Verified
Q55: _ clusters of galaxies contain closely spaced
Q99: A quasar's redshift and apparent magnitude lead
Q100: Which of the following is the Milky
Q102: How do astronomers know that there is
Q103: What distance method is used to calibrate
Q105: Describe a model of a quasar and
Q106: What information about a cluster of galaxies
Q107: What type of galaxies do astronomers believe
Q108: Which of the following sequences sorts the
Q148: Why should we expect quasars to be