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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?

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