Multiple Choice
According to their rotation curves, most spiral galaxies:
A) rotate as a solid body.
B) rotate counterclockwise.
C) have decreasing rotational speeds with increasing distance.
D) contain dark matter.
E) contain dark energy.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q37: Astronomers think most galaxy interactions took place
Q38: A merger between a small elliptical galaxy
Q39: Collisions between galaxies have little effect on
Q40: The energy radiated from a typical quasar
Q41: A red supergiant is observed in a
Q43: The Sloan Digital Sky Survey uses:<br>A)a single
Q44: What is a galaxy's rotation curve? To
Q45: If the merger theory is correct, the
Q46: Why do almost all active galaxies occur
Q47: A red supergiant is observed in a