What observations have MOST clearly revealed the geometry of the universe?
A) the brightnesses of supernovae
B) the apparent sizes of features in the cosmic microwave background
C) gravitational?-lensing near galaxy clusters
D) galaxy rotation curves
Correct Answer:
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Q187: If the geometry of space is spherical
Q188: What kind of curvature (geometry of space)
Q189: At the present time
A) most astronomers believe
Q190: Consider a universe without dark energy (i.e.,
Q191: Which parameter of the present universe is
Q193: How did cosmic inflation affect the geometry
Q194: How does the observed amount of visible
Q195: What kind of curvature (geometry of space)
Q196: Two light beams that are initially parallel
Q197: If the geometry of space is hyperbolic,
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