How did Mr.Hubble calculate the age of the universe?
A) by measuring the rate of expansion of the universe
B) by looking at the age of the oldest stars
C) by measuring the redshift of stars within 360 degrees of the center of our galaxy
D) by measuring the rate of radioactive decay within the farthest galaxies
Correct Answer:
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Q2: Cosmology is the study of the overall
Q3: Cepheids are types of stars that regularly
Q4: The Big Bang
A)took place within space.
B)marked the
Q5: The currently accepted reasoning for why the
Q6: The "redshift" of a galaxy refers to
Q8: In a flat universe parallel lines
A)never converge.
B)are
Q10: According to calculations made by modern astronomers,the
Q11: "Cosmological Redshift" refers to
A)the expansion of space
Q12: How is it possible that today's diverse
Q22: We are actually looking into the past
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