Definition of "nebulae" []

• Plural form of nebula. (noun)

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• "Yes, some stars do just that, becoming clouds of ionized hydrogen we term nebulae."
• "Working from the Mt. Wilson observatory that looms in the distance over Los Angeles, they discovered that the blurry patches of light called nebulae were not mere gas clouds within the Milky Way, as long supposed, but galaxies in their own right."
• "Fifty years ago it was thought that in the heavenly bodies called nebulae the material of which the world was made had been discovered."