The rest-frame (natural) Wavelength of the H-a line of hydrogen is 656.3 nm. In the spectrum of light from a galaxy we observe, it is shifted to 763.8 nm. Calculate the reccession speed of the galaxy in m
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The rest-frame (natural) Wavelength of the H-a line of hydrogen is 656.3 nm. In the spectrum of light from a galaxy we observe, it is shifted to 763.8 nm. Calculate the reccession speed of the galaxy in m/s.
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