Cepheids are types of stars that regularly change how bright they are over a period of a few
A) days.
B) months.
C) year.
D) decades.
Correct Answer:
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Q1: Edwin Hubble discovered that the farther away
Q2: Cosmology is the study of the overall
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
Q7: How did Mr.Hubble calculate the age of
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
Q22: We are actually looking into the past
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