Deep-Sky Object
Dark Nebula
A cold cloud blocking the stars behind it.
Dense clouds of dust and molecular gas opaque to visible light, silhouetted against brighter backgrounds (e.g., Horsehead, Coalsack).
Overview
Dense clouds of dust and molecular gas opaque to visible light, silhouetted against brighter backgrounds (e.g., Horsehead, Coalsack).
See also
Giant Molecular Cloud (GMC)
Molecular-cloud structure or process associated with the formation of stars.
Molecular Cloud Complex
Molecular-cloud structure or process associated with the formation of stars.
Dark Cloud
Molecular-cloud structure or process associated with the formation of stars.
Infrared Dark Cloud (IRDC)
Molecular-cloud structure or process associated with the formation of stars.
High-mass Star-forming Region
Molecular-cloud structure or process associated with the formation of stars.
Low-mass Star-forming Region
Molecular-cloud structure or process associated with the formation of stars.