Coma (disambiguation)
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- In medicine, a coma refers to a particular state of unconsciousness.
- In astronomy, a coma is part of the tail of a comet, produced by vapor boiled off the comet as it nears the sun. It is named for "hair".
- In astronomy, sometimes "Coma" is shorthand for the constellation Coma Berenices.
- 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 (http://www.opticalmechanics.com/about_coma.htm).
- In computer science, COMA is the abbreviation of Cache Only Memory Architecture.
- Coma is a 1977 novel by Robin Cook.
- Coma is a 1978 movie based upon the previous book starring Genevičve Bujold and Michael Douglas.
- "Coma" is a song by Guns N' Roses, appearing on the album Use Your Illusion I.
- Coma is a Polish band.