Multiple Choice
Which one of the following does NOT seem to be a mechanism for disrupting spiral arms in galaxies?
A) tidal interactions as galaxies pass by each other
B) natural evolution of spirals into ellipticals
C) collisions of galaxies
D) cessation of star formation
Correct Answer:
Verified
Correct Answer:
Verified
Q5: What is the ratio of barred spirals
Q6: Which of the following statements concerning spiral
Q7: An astronomer studying the spectrum of a
Q8: The intrinsic brightness (represented by luminosity) of
Q9: The great debate involving the nature of
Q11: Which observation of elliptical galaxies provides a
Q12: The protogalaxies we observe when we look
Q13: The Hubble classification for a galaxy having
Q14: What is the Hubble law, if V
Q15: The Hubble classification for a spiral galaxy