| 单词 | eta carinae nebula |
| 释义 | Eta Carinae nebulaEta 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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