Dark matter
A) apparently occurs only in our galaxy.
B) apparently occurs in all galaxies.
C) consists of antimatter.
D) consists of cosmic rays.
Correct Answer:
Verified
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
Q9: The number of galaxies in the universe
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
Q15: Magnetic fields in our galaxy trap
A) cosmic
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