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A fellow student expresses the opinion that since the Suns spectrum has only weak absorption lines of hydrogen, this element cannot be a major...

. A fellow student expresses the opinion that since the Suns spectrum has only weak absorption lines of hydrogen, this element cannot be a major constituent of the Sun. How would you enlighten this person? 16. If a red star and a blue star both have the same radius and both are the same distance from the Earth, which one looks brighter in the night sky?

This question was asked on Jan 27, 2013.

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