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What is the chromosphere?

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... chromosphere [Gr.,=color sphere], layer of rarefied, transparent gases in the solar atmosphere; it measures 6,000 mi (9,700 km) in thickness and lies between the photosphere (the sun's visible surface) and the corona (its outer atmosphere).

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Get more facts and information about chromosphere . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

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