A rotation curve for a galaxy is a plot of
A) Orbital speed versus distance from center
B) Number of rotations versus time
C) Orbital distance versus eccentricity
D) Amount of mass versus distance from center.
Correct Answer:
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Q10: One would expect the Hertzsprung-Russell diagram of
Q11: A barred spiral with loosely wound arms
Q12: Which of the following types would be
Q13: The Magellanic clouds are
A)Ellipticals
B)Spirals
C)Barred spirals
D)Irregulars
Q14: Elliptical galaxies are reddish in color because
Q16: The Magellanic clouds are
A)Regions of star formation
Q17: A normal spiral with a bright nucleus
Q18: Which type of galaxy contains the least
Q19: What type of galaxy is the Andromeda
Q20: A spiral galaxy with a small nucleus
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