Multiple Choice
All of the following systems are gravitationally bound EXCEPT:
A) open clusters.
B) globular clusters.
C) clusters of galaxies.
D) superclusters of galaxies.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q16: Large clouds of very hot gas that
Q17: If the recessional speed of a galaxy
Q18: How does the number of barred spirals
Q19: On the basis of the distance
Q20: Our theories for the origin of spiral
Q22: How many large spiral galaxies are there
Q23: What method is used to determine the
Q24: The Hubble classification for a galaxy having
Q25: Astronomers often speak of redshift z rather
Q26: Which of the following did Edwin Hubble