Consider the absorption lines of two interstellar gas clouds. One cloud has 10x the temperature of the other cloud. What is true about the lines? Assume the clouds are otherwise identical. The hotter...

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Extracted text: Consider the absorption lines of two interstellar gas clouds. One cloud has 10x the temperature of the other cloud. What is true about the lines? Assume the clouds are otherwise identical. The hotter cloud has fewer lines The hotter cloud has darker lines The hotter cloud has narrower lines The hotter cloud has broader lines The hotter cloud has fainter lines