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Ring Nebula
noun
, Astronomy.
- a planetary nebula in the constellation Lyra that has a ringlike appearance surrounding its central star.
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Example Sentences
Nor do I venture to say what ages must elapse ere the terminus at the other side of the ring nebula would be reached.
From Project Gutenberg
The most remarkable object of this class is the Ring Nebula, which is situated between the stars β and γ Lyr.
From Project Gutenberg
Were the ring nebula in Lyra composed of this material, we could not see it.
From Project Gutenberg
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