Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: spiral binding
Next word: spiral of Archimedes
Definition of: spiral nebula
Astron.
An extragalactic system of celestial bodies exhibiting a spiral configuration, known to be composed of aggregates of stars resembling the Milky Way, as the spiral nebula in Andromeda.
Comment about this word, ask questions, or add new information about this topic: