Definition of emission nebula in English:

emission nebula

Line breaks: emis|sion neb¦ula


  • A nebula that shines with its own light.
    More example sentences
    • The Orion Nebula is an emission nebula, a giant cloud of gas and dust that's lit from within.
    • Kaylin examined the cloud that was the emission nebula as her ship raced closer and closer.
    • Resembling a creature on the run with flames streaming behind it, the Spitzer image of a dark globule in the emission nebula IC 1396 is in spectacular contrast to the view seen in visible light.

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Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space