Concept information
Preferred term
Protostars
Definition
- A stage in the process of star formation, after the gravitational collapse of the dense pre-stellar core and before the initiation of nuclear fusion in the central object which will eventually become a star. Protostars are classified into four groups: Class 0, Class I, Class II, and Class III. (en)
Broader concept
- Interstellar medium (en)
- Stellar types (en)
Narrower concepts
- Bok globules (en)
- Cocoon stars (en)
- Cometary nebulae (en)
- Protoplanetary disks (en)
- Young stellar objects (en)
URI
http://astrothesaurus.org/uat/1302
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