Overview

Keyhole Nebula


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A dark nebula in the brightest part of the Eta Carinae Nebula, named by J. F. W. Herschel from its keyhole shape. It lies next to the star Eta Carinae itself. The name Keyhole Nebula is sometimes applied to the whole Eta Carinae Nebula.

Subjects: Astronomy and Astrophysics.


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