Concept information
Preferred term
Hydroxyl sources
Definition
- An astronomical source emitting microwave radiation characteristic of the hydroxyl OH molecule, especially one showing a maser effect. OH sources are found in molecular clouds in interstellar medium and in the cool envelopes of evolved stars. (en)
Broader concept
Entry terms
- OH sources (en)
Editorial note
URI
http://astrothesaurus.org/uat/772
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