Respuesta :
When the absorption spectrum of light from distant galaxies is measured it is found that lines in absorption spectrum are shifted towards the red end of spectrum.
What is Absorption Spectrum ?
The Absorption Spectrum is constituted by the frequencies of light transmitted with dark bands when electrons absorb energy in ground state to reach higher energy states. Absorption Spectrum is produced when atoms absorb energy .
The Absorption Spectroscopic technique that is used for measuring the absorption of radiation as it interacts with sample.
So , we conclude that , after measurement of absorption spectrum of light it is found that the lines in absorption spectrum are shifted towards the red end of spectrum.
Therefore , the result after measurement of absorption spectrum of light from distant galaxies is explained above .
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