English

Noun

dark nebula ‎(plural dark nebulas or dark nebulae)

1. (astronomy) A type of nebula that unlike other types of nebulae does not emit or reflect light and therefore appears as a starless region in the sky.

   Horsehead Nebula is a typical dark nebula, and is famous for resembling the head of a horse.

Translations

See also

• emission nebula
• reflection nebula