Astronomers currently estimate the age of the universe to be:
A) about 4.5 billion years old.
B) about 13.7 billion years old.
C) almost 1000 billion years old.
D) infinitely old.
Correct Answer:
Verified
Q14: In our description of the universe, what
Q15: In our description of the universe, what
Q16: What does z = 0 mean?
A)zero time-that
Q17: Is there an advantage in using redshift
Q18: An object has a lookback time
Q20: For any object moving uniformly, velocity =
Q21: If the Hubble constant is found to
Q22: The farthest object we have seen (in
Q23: A few decades ago many astronomers used
Q24: If the uncertainty in the Hubble constant
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