dark nebula


Also found in: Encyclopedia, Wikipedia.
Related to dark nebula: emission nebula

dark nebula

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

dark nebula

n
(Astronomy) a type of nebula that is observed by its blocking of radiation from other sources. See nebula
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Newcomers to deep-sky observing are warmly invited to observe the Big 5 of the African Sky, an inspirational observing project highlighting the most splendid example of each type of deep-sky object: a galaxy, a bright nebula, a dark nebula, an open cluster, and a globular cluster.
A landmark feature here is the intrusion of a dark nebula that extends from the east almost to Theta1.
The Horsehead is a dark nebula overlaying the bright nebula IC 434.
Only a few arc-minutes north of beta Scutii the dark nebula BARNARD 104 hides between the field stars, seen by many as a hooked V-shape.
says Dark Nebula, and my guardian angel shuddering, clapping her
Rather than having a mural depicting the destruction of Sodom and Gomorrah, there could be a wall-size photo of a supernova; rather than God separating the light from the darkness, a gaseous dark nebula wherein lies the birthplace of stars; rather than the rainbow arching across the sky after the great flood, the aurora borealis gracing the northern night sky.
ingqimba yeenkwenkwezi ezingakhanyiyo ezikude ezibonakala njengenkungu: dark nebula
The sharp cutoff is particularly pronounced on the northeast edge of the cloud, where the sickle-shaped dark nebula B111 lies immediately north of M11, the Wild Duck Cluster.
This is not an empty void but a dark nebula obscuring the brilliance behind.
Another very impressive dark nebula regularly seen on photographs is B72, or LDN 66, more popularly known as The Snake Nebula.
Barnard 68 (B68) is a dark nebula located in the constellation of Ofiuco, around 400 light years away.
Coal Sack Prominent dark nebula Crux near (Southern Cross) and the Pointers.