Thesaurus
A really fast thesaurus... with lots of synonyms.
spiral nebula (0 synonym found)
Definition of spiral nebula:
(n) :
(astronomy) a spiral-shaped nebula
(n) :
(astronomy, obsolete) a spiral-shaped white nebula; these were generally determined to be spiral galaxies in the 20th century
Definition of spiral nebula:
(n) :
(astronomy) a spiral-shaped nebula
(n) :
(astronomy, obsolete) a spiral-shaped white nebula; these were generally determined to be spiral galaxies in the 20th century
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