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chromosphere

chromosphere (krō'musfēr") [key][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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The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

More on chromosphere from Infoplease:

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Chromospheres, transition regions, and cornas. (Science)

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Solar wind origin in coronal funnels.(Research Articles) (Science)

The physics of chromospheric plasmas; proceedings.(Brief Article)(Book Review) (SciTech Book News)

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