Coma (disambiguation)

In medicine, a coma refers to a particular state of unconsciousness.
In astronomy, a coma is the tail of a comet produced by vapor boiled off the comet as it nears the sun.
In optics, a coma is an optical aberration in an astronomical telescope which causes a V-shaped flare to the image of a star. About coma in an Newtonian telescope.
In astronomy, sometimes "Coma" is shorthand for the constellation Coma Berenices.
Coma is a 1978 movie starring GeneviÃÂ¨ve Bujold and Michael Douglas.
"Coma" is a song by Guns N' Roses

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