(4) The redshift for Galaxy Y is 6.61e-3. What is the galaxy’s velocity (in km/s)? (just enter the #
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A: Outdated value is, 99.9 km/s/Mpc So, the age of universe is calculated as, Age= 1Outdated value
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A: To explain the correct answer is given below,
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A: 1. Calculate the redshift of the galaxy. Part(2) I am leaving part(2) as it seems incomplete.
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A: There are different methods to measure distances in universe.
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