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Definition 2024


dark_nebula

dark nebula

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.

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See also