The "dark matter" that all galaxies apparently contain
A) consists of antimatter.
B) consists of cosmic rays.
C) consists of dead stars.
D) is of unknown nature.
Correct Answer:
Verified
Q1: The stars in globular clusters
A) are relatively
Q6: Emissions of various kinds from near the
Q10: The Milky Way is a
A)globular duster.
B)nearby galaxy.
C)galaxy
Q11: Interstellar space in our galaxy
A) is completely
Q16: The number of stars in our galaxy
Q17: The stars in the universe are
A) approximately
Q18: The stars in our galaxy
A) move entirely
Q18: Compared with the Population I stars in
Q20: The sun is
A) a Population I star.
B)
Q20: Individual stars outside our galaxy
A)can be seen
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