- #1
asdf1
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There's an astromony question that I'm stuck on~
" A distant galaxy in the constellation Hydra is receding from the Earth at 6.12*10^7 m/s. By how much is a green spectral line of wavelength 500nm (1nm=10^(-9) )emitted by this galaxy shifted toward the red end of the spectrum?
" A distant galaxy in the constellation Hydra is receding from the Earth at 6.12*10^7 m/s. By how much is a green spectral line of wavelength 500nm (1nm=10^(-9) )emitted by this galaxy shifted toward the red end of the spectrum?