Definition of dark nebula in English:

dark nebula

Line breaks: dark neb¦ula

noun

Astronomy
A non-luminous nebula of dust and gas which is observable because it obscures light from other sources.
More example sentences
  • In the inner regions of dark nebulae important events take place, such as the formation of stars and masers.
  • There are different forms of nebulas, dark nebulas, emission nebulas and celestial nebulas.
  • In the Cigar Galaxy, there are blank spots where it appears there are not any stars, just dark nebulas.

Definition of dark nebula in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day fioritura
Pronunciation: fɪˌɔːrɪˈt(j)ʊərə
noun
an embellishment of a melody...