Consider a universe in which the Hubble constant has been measured to have the value Ho = 50 km/s/Mpc. Estimate the age of this universe, assuming the recession velocities between pairs of galaxies do not vary with time, and express your answer in units of Gyr. Choose the option below that most closely matches your answer. Select one: а. 24.2 O b. 10.5 Ос. 36.1 O d. 19.6 O e. 15.8
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