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star

star, hot incandescent sphere of gas, held together by its own gravitation, and emitting light and other forms of electromagnetic radiation whose ultimate source is nuclear energy.

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The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

More on star from Infoplease:

variable star - variable star variable star, star that varies, either periodically or irregularly, in the intensity ...
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See more Encyclopedia articles on: Astronomy: General

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