Mathematics, 12.07.2019 18:20 ashleyacosta

light is gathered from a distant galaxy and one of the spectral lines of calcium is observed at 413.26 nm when it should be 393.37 nm.
(a) find the velocity of this galaxy (hint: doppler formula).
(b) find the distance to this galaxy (hint: hubble law).
note: be sure to always use the formula sheet.
14,786 km/s, 205 mpc

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