spiral nebula — noun a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center • Syn: ↑spiral galaxy • Hypernyms: ↑galaxy, ↑extragalactic nebula • Hyponyms: ↑Andromeda galaxy * * * … Useful english dictionary
spiral nebula — noun a spiral shaped nebula … Wiktionary
spiral nebula — noun see spiral galaxy … New Collegiate Dictionary
spiral nebula — Astron. (formerly) a spiral galaxy. * * * … Universalium
Nebula Award — for Best Novella for The Green Leopard Plague, by Walter Jon Williams The Nebula Award is given each year by the Science Fiction and Fantasy Writers of America (SFWA), for the best science fiction/fantasy fiction published in the United States… … Wikipedia
Nebula — Neb u*la (n[e^]b [ u]*l[.a]), n.; pl. {Nebul[ae]} (n[e^]b [ u]*l[=e]). [L., mist, cloud; akin to Gr. nefe lh, ne fos, cloud, mist, G. nebel mist, OHG. nebul, D. nevel, Skr. nabhas cloud, mist. Cf. {Nebule}.] 1. (Astron.) A faint, cloudlike, self… … The Collaborative International Dictionary of English
spiral galaxy — n. a galaxy having the visible form of a spiral: also spiral nebula … English World dictionary
Spiral galaxy — A spiral galaxy is a galaxy belonging to one of the three main classes of galaxy originally described by Edwin Hubble in his 1936 work “The Realm of the Nebulae” [cite book |last=Hubble |first=E. P. |authorlink=Edwin Hubble |title=The Realm of… … Wikipedia
Nebula — Nebulae redirects here. For the supercomputer in China, see Nebulae (computer). For other uses, see Nebula (disambiguation). The Pillars of Creation from the Eagle Nebula … Wikipedia
spiral — Synonyms and related words: Milky Way, O shaped, Via Lactea, acrobatics, aerobatics, ambagious, anfractuous, arise, ascend, aspire, backhanded, bank, banking, barred spiral, barred spiral galaxy, become airborne, chandelle, circle, circling,… … Moby Thesaurus
