+A **corona** is a luminous plasma field, a crown of light surrounding a celestial body, often most visible during an [Eclipse](/wiki/Eclipse). This radiant outer [Atmosphere](/wiki/Atmosphere) of a [Star](/wiki/Star) extends millions of kilometers into space.
+## See also
+- [Sun](/wiki/Sun)
+- [Halo](/wiki/Halo)
+- [Plasma](/wiki/Plasma)
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