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Home Q & A Board Science-Related Homework Help Physics
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barry barry
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11 years ago
Define absorption lines.
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11 years ago
"A minute range of wavelength or frequency in the electromagnetic spectrum within which radiant energy is absorbed by the medium through which it is passing."
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11 years ago
When light from a continuous source, such as the dense photosphere of a star, is passed though a thin, cool gas, certain energies from the continuum are absorbed, depending on which elements are present, creating a pattern of dark lines which identify the elements and molecules present in the cool gas cloud.
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barry Authorbarry
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11 years ago
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