Definition
The sun's luminous plasma outer atmosphere visible as a ghostly halo during total solar eclipses; astronomer's favorite celestial feature until 2020 when a virus hijacked the entire vocabulary.
Example Usage
The astronomer spent years waiting for eclipse day to photograph the corona's delicate streamer structure.
Source: Merriam-Webster, astronomical terminology
Related Terms
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See “corona” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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