A nebula that shines with its own light.
- 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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Syllabification: e·mis·sion neb·u·la
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