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mattfury17 mattfury17
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Compared with the spectral lines in the solar spectrum, how are lines in a supergiant star's spectrum different?



They are narrower.



They are broader.



They are weaker.



They are stronger.

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ASTRO

ASTRO


Edition: 3rd
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meowkitty813meowkitty813
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Thanks
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Thank you, thank you, thank you!
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This helped my grade so much Perfect
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