Redshift measurements for a particular galaxy indicate that it has a recession velocity of 72,000 km/s. (a)
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Redshift measurements for a particular galaxy indicate that it has a recession velocity of 72,000 km/s.
(a) Compute the distance to the galaxy.
(b) The value of Hubble’s constant depends critically on calibration distance measurements, which are difficult to make. If the calibration distance measurements are in error by 10 percent, by how much is the age calculated from Equation 13-28 in error?
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