?The Big Bang(a) Calculate the approximate age of the universe from the average value of

Chapter 11, Problem 67

(choose chapter or problem)

The Big Bang

(a) Calculate the approximate age of the universe from the average value of the Hubble constant, \(H_{0}=20 \mathrm{~km} / \mathrm{s} \cdot \text { Mly }\). To do this, calculate the time it would take to travel 0.307 Mpc at a constant expansion rate of 20 km/s. (b) If somehow acceleration occurs, would the actual age of the universe be greater or less than that found here? Explain.

Text Transcription:

H_0=20 km/s times Mly

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