spiral nebula
nounAstronomy.
(formerly) a spiral galaxy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use spiral nebula in a sentence
The actual features of our spiral nebulae seem clearly to exhibit that stage.
The Story of Evolution | Joseph McCabeWe may take one of the small spiral nebulae that abound in the heavens as an illustration of the first stage.
The Story of Evolution | Joseph McCabeA glance at the photograph of one of the spiral nebulae strongly confirms this.
The Story of Evolution | Joseph McCabeIn this we are greatly helped by the current theory of the origin of spiral nebulae.
The Story of Evolution | Joseph McCabeOne of the best examples of the spiral nebulae is that known as 51M.
Aether and Gravitation | William George Hooper
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