The number of galaxies in the universe seems to be about
A) 200.
B) 200,000.
C) 200 million.
D) 200 billion.
Correct Answer:
Verified
Q4: A source of radio waves from space
Q5: All spiral galaxies apparently
A) are rotating.
B) are
Q6: Emissions of various kinds from near the
Q7: Compared with the Population I stars in
Q8: The ratio of dark matter to ordinary
Q10: Dark matter
A) apparently occurs only in our
Q11: Interstellar space in our galaxy
A) is completely
Q12: Globular clusters of stars
A) are uniformly distributed
Q13: The Milky Way is a
A) globular duster.
B)
Q14: Galaxies
A) have a variety of shapes.
B) are
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