Eta Carinae nebula | Article about Eta Carinae nebula by The Free Dictionary
Eta Carinae nebula
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Eta Carinae nebula (NGC 3372) A large complex of dust and glowing gas in the southern Milky Way. The nebulosity is an extended H II region in which there are clusters of young stars. Dark lanes of cool dust divide the nebula into islands of glowing gas. One of these dark and irregular dust lanes is known as the Keyhole, which is used to identify the bright emission Keyhole nebula in which the object Eta Carinae is situated.
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Inside NGC 3372, known as the Eta Carinae Nebula
, the bright 3.