protoplanetary nebula en · NOUN
Etymology
From proto- + planetary nebula.
Meanings
- A stage in stellar evolution when a star starts to shed its outer layers before coming a true planetary nebula.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| protoplanetary nebulae | Number=Plur | lexicographic | |
| protoplanetary nebulas | Number=Plur | lexicographic |
Relateds
Synonyms
Translations (2)
pl mgławica protoplanetarna (stage in stellar evolution) · fi esiplanetaarinen sumu (stage in stellar evolution)