Physics, 03.08.2019 19:30, BlehBlah1441

How would an astronomer explain the difference between the two spectra? a. hydrogen gives off light differently if star is more distant b. light traveling through space is warped by the vacuum c. the star is traveling away from us, lengthening the light waves d. the star is fusing a different kind of hydrogen than the sun.

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How would an astronomer explain the difference between the two spectra? a. hydrogen gives off ligh...