To determine how the expansion rate of the universe has changed over time, astronomers directly measure the ________ for a sample of the Type Ia supernovae in distant galaxies.
A) redshift and luminosity
B) redshift and brightness
C) redshift and distance
D) distance and luminosity
E) distance and brightness

Question

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The Answer of To determine how the expansion rate of the universe has changed over time, astronomers directly measure the ________ for a sample of the Type Ia supernovae in distant galaxies.
A) redshift and luminosity
B) redshift and brightness
C) redshift and distance
D) distance and luminosity
E) distance and brightness

To Determine How the Expansion Rate of the Universe Has