spiral arm
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English
[edit]Noun
[edit]spiral arm (plural spiral arms)
- (astronomy) A section of a spiral galaxy that coils out from the centre.
- 1979, Douglas Adams, The Hitchhiker's Guide to the Galaxy:
- Far out in the uncharted backwaters of the unfashionable end of the western spiral arm of the Galaxy lies a small unregarded yellow sun.
- 2008, BioWare, Mass Effect, Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Mass Relays Codex entry:
- Primary mass relays can propel ships thousands of light years, often from one spiral arm of the galaxy to another.
Translations
[edit]section of a spiral galaxy
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