diffuse nebula

noun

: any of the numerous luminous or dark formations or irregularly distributed dust and gas seen within the Milky Way galaxy and in other spiral galaxies but not including the planetary nebulae

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Cite this Entry

“Diffuse nebula.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diffuse%20nebula. Accessed 5 Nov. 2024.

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