Based on the galaxies found in the Local Group of galaxies,the most common type of galaxy in the universe is expected to be
A) the spiral galaxies.
B) the barred spiral galaxies.
C) the dwarf elliptical galaxies.
D) the irregular galaxies.
E) the giant elliptical galaxies.
Correct Answer:
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Q3: Most of the mass of a galaxy
Q4: The rotation curve of a galaxy (orbital
Q5: The most luminous galaxies in blue wavelengths
Q6: Galactic cannibalism refers to
A) binary galaxies.
B) the
Q7: An irregular galaxy contains
A) mostly lower-main sequence
Q8: Astronomers now speculate that a galaxy's shape
Q9: A megaparsec is equivalent to
A) 3.26 light-years.
B)
Q10: We should expect galaxies to collide with
Q11: If H equals 50 km/sec/Mpc,then a galaxy
Q13: _ galaxies contain large clouds of gas
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