3) The spectrum of a sta - is recorded (i.e. observed). The wavelength of the "Balmer alpha" spectral line of hydrogen is measured to be at 656.1 nanometers (nm). If the " est wavelength" of tos spect al lue is boo.3 nm then what is the redid velocity ofthe: star ? , hink carefull about "Big. cuntnig wi this vention. It's a ot nicky. As always in the Assignment , I'll marks ~ quees the correct nu ber of ignyicant figures the final answer and th's is the mo. t afficult sig fig que tion in this --urse. (Marks 2)