The Hubble classification scheme for galaxies sorts them by their
A) evolutionary state.
B) mass.
C) amount of dust.
D) amount of dark matter.
E) visual appearance.
Correct Answer:
Verified
Q6: Astronomers have known that galaxies are separate
Q7: To be a standard candle, an object
Q8: In spiral galaxies, the size of the
Q9: What caused early astronomers to believe that
Q10: You observe a reddish galaxy with stars
Q12: What did Edwin Hubble study in the
Q13: Stars in the disks of spiral galaxies
Q14: In the Great Debate of 1920, Curtis
Q15: Even though each item on the distance
Q16: Active star formation does not typically occur
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