spiral nebula
English
Noun
spiral nebula (plural spiral nebulas or spiral nebulae)
- (astronomy) a spiral-shaped nebula
- (astronomy, obsolete) a spiral-shaped white nebula; these were generally determined to be spiral galaxies in the 20th century
This article is issued from
Wiktionary.
The text is licensed under Creative
Commons - Attribution - Sharealike.
Additional terms may apply for the media files.