What is the cosmic horizon?
A) the place where the Big Bang occurred
B) the average distance between galaxies
C) the distance beyond which astronomical objects are invisible because their light has not yet reached us
D) the diameter of the Universe
Correct Answer:
Verified
Q23: The cosmic microwave background (CMB) radiation is...
A)
Q24: The cosmic background radiation has a low
Q25: The _ is determined by the distance
Q26: Recent measurements of the variations of the
Q27: If the universe had _, that would
Q29: If the Universe is infinitely large, infinitely
Q30: Astronomers have found the cosmic microwave background
Q31: About what temperature does the CMB have
Q32: Why is the CMB so cool now?
A)
Q33: What is the cosmic microwave background?
A) radio
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