What is one piece of evidence for dark matter?
A) the presence of neutrinos
B) the fact that the rotation curves of most galaxies become flat at large distances from the center
C) the existence of many planetary systems
D) the existence of many dark cool dust clouds that do not emit radiation
Correct Answer:
Verified
Q56: The Local Group
A) contains about 30 member
Q57: The Local Group
A) contains about 30 member
Q58: What is the name of the galaxy
Q59: What holds galaxy clusters together?
A) the pressure
Q60: What is the "rotation curve" of a
Q62: In attempting to find the missing matter
Q63: Which of the following provides evidence for
Q64: Which of the following objects are difficult
Q65: The observation that outer parts of galaxies
Q66: In their search for dark matter, astronomers
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