dark nebula


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

dark nebula

dark nebula

n
(Astronomy) a type of nebula that is observed by its blocking of radiation from other sources. See nebula
References in periodicals archive ?
A landmark feature here is the intrusion of a dark nebula that extends from the east almost to Theta1.
Immediately west of eta Carinae is a keyhole-shaped dark nebula, the remnants of a molecular cloud from which some of the surrounding stars were formed.
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.
GOTHENBURG, Sweden -- Earlier this year, Dark Nebula - Episode two was ranked second in Metacritic's list of the most highly rated applications in the App store that were released in 2010.
I see no difference between detecting a dark nebula due to a marked absence of faint stars, and detecting a loose open cluster because of a statistically significant increase in star density at the cluster's plotted position.
Newcomers to deep-sky observing are warmly invited to observe the "Big 5 of the African Sky", a new 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.
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.