Multiple Choice
What are the characteristics of an open cluster of stars?
A) mostly found above and below the galactic plane
B) old age and millions of members
C) a few hundred, mainly main sequence stars
D) All stars are much more massive than our Sun.
E) All stars are about the same age and luminosity.
Correct Answer:
Verified
Correct Answer:
Verified
Q18: Many of the brightest stars we see
Q19: The stars found in nebulae like the
Q20: The fundamental difference between a protostar and
Q21: Which statement about the stages of starbirth
Q22: Star formation may be triggered by _
Q24: Magnetic fields enhance the collapse of a
Q25: The birthplaces of stars correspond to the
Q26: What event marks the birth of a
Q27: Which of these is NOT typical of
Q28: Outline the process of star formation, including