(a) Calculate the approximate age of the universe from the average value of the Hubble constant, H...

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(a) Calculate the approximate age of the universe from the average value of the Hubble constant, H0 = 20 km/s · Mly. To do this, calculate the time it would take to travel 1 Mly at a constant expansion rate of 20 km/s.

(b) If deceleration is taken into account, would the actual age of the universe be greater or less than that found here? Explain.

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