Factoring in everything we currently know about the history of the universe, our best estimate for the age of the universe is
A) 4.6 billion years
B) about 100 billion years
C) roughly 2 million years
D) about 13.8 billion years
E) the age of the universe is infinite; there was no beginning
Correct Answer:
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Q1: When do astronomers now think that the
Q2: Which of the following is the Earth
Q4: Recent observations indicate that the universe is
Q5: In our modern view of the expansion
Q6: Which of the following statements about the
Q7: The first scientist to propose a specific
Q8: After the Big Bang, in order for
Q9: The standard bulbs (standard candles) that made
Q10: The reciprocal of the Hubble constant (1/H)
Q11: Which of the following did NOT happen
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