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Horsehead Nebula

Astronomy
Definition of Horsehead Nebula
  • a dust nebula in the shape of a horse’s head, forming a dark silhouette against a bright emission nebula in Orion.

Horsehead Nebula in other Oxford dictionaries

Definition of Horsehead Nebula in the US English dictionary
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Word of the day

leporine

/ ˈlɛpərʌɪn /
adjective
of or resembling a hare or hares …