diffuse nebula

(redirected from Bright nebulae)
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  • noun

Synonyms for diffuse nebula

a cluster of stars within an intricate cloud of gas and dust

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References in periodicals archive ?
Cygnus is littered with bright nebulae, but to combine bright and dark there is no need to look beyond the North America Nebula, NGC 7000.
When we think of observing near the winter Milky Way, what usually comes to mind is a myriad of splashy star clusters and bright nebulae.
Examples include the bright nuclei of galaxies or the brilliant young stars within bright nebulae such as the Trapezium within M42, the Orion Nebula.
Based on the Littrow spectrograph design, the Spectra-L200 allows users with modest telescopes to produce the high-resolution spectra needed to explore the structure and chemical makeup of stars and bright nebulae, or to see the redshift of distant quasars.
That's why the bright nebulae of the Sagittarius-Carina arm such as M16 and M17 stretch only to longitude 17[degrees] in this direction, whereas the Eta Carinae Nebula, also in the Sagittarius-Carina arm, lies 72[degrees] on the opposite side of the galactic center, at longitude 288[degrees].
These marvels include the big open star clusters M6 and M7, near the stinger of Scorpius; the Great Sagittarius Star Cloud, above the spout of the Sagittarius Teapot; and the bright nebulae M8 and M20 (the Lagoon and Trifid) above that.
Where bright nebulae abound, dark nebulae are also likely to be found.
EXPERIENCED OBSERVERS know that most bright nebulae give up subtle secrets on nights of excellent transparency and seeing.