Multiple Choice
An E galaxy contains
A) mostly lower-main sequence stars and giants.
B) mostly upper main sequence stars and giants.
C) mostly upper main sequence stars and gas and dust.
D) roughly equal numbers of upper and lower main sequence stars.
E) mostly white dwarfs and supergiants.
Correct Answer:

Verified
Correct Answer:
Verified
Q14: We should expect galaxies to collide with
Q15: An elliptical galaxy could<br>A) evolve into an
Q17: What is the primary factor in determining
Q20: The most massive galaxies are<br>A) spiral galaxies.<br>B)
Q21: Starburst galaxies<br>A) contain a large number of
Q22: Some large clusters of galaxies do not
Q23: The figure shows an image of our
Q24: Poor clusters of galaxies often contain an
Q30: _ galaxies have a definite disk component,
Q137: The units on the Hubble constant are