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Chemistry, 25.02.2020 04:01 katherinelondon4002

Doppler shifted hydrogen absorption lines are seen in the spectrum of a star. The hydrogen line at 656.28 nm is seen to be shifted to 656.08 nm. Is the star moving towards or away from us, or can we not tell?

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Doppler shifted hydrogen absorption lines are seen in the spectrum of a star. The hydrogen line at 6...
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