Project #74409 - I need help with my Science homework.

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).

Subject Science
Due By (Pacific Time) 06/19/2015 05:00 pm
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