Why is an understanding of light important to astronomers?

1 Answer
chandramohanPanakkal
Feb 26, 2017

We can not go to stars and do tests

Explanation:

We depend upon radiation from stars to collect information .temperature of stars.elements present on a star...red shsift of galaxies etc.......rate of fusion.life of a star. all our knowledge abou tthe universe comes from stars through light and other radiations.

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