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Q4: An experimental design that administers one or
Q11: Why should a researcher consider not only
Q11: The standard Big Bang theory successfully predicts
Q12: When we measure distances to very faint
Q17: Elliptical galaxies have the shapes they do
Q18: What do astronomers believe is currently having
Q29: We can determine the age of a
Q41: Explain why a galaxy can collapse to
Q52: Globular clusters,when compared to open clusters,generally:<br>A)are located
Q79: If the Earth were to shrink in