A galaxy in the constellation Pisces is 5210 Mly from the earth. (a) Use the Hubble law to calculate the speed at which this galaxy is receding from earth. (b) What redshifted ratio l0 /lS is expected for light from this galaxy?
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A galaxy in the constellation Pisces is 5210 Mly from the earth.
(a) Use the Hubble law to calculate the speed at which this galaxy is receding from earth.
(b) What redshifted ratio l0 /lS is expected for light from this galaxy?
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