What spectacular, hourglass-shaped structure formed from material ejected during Eta Carinae's 1840s outburst?
Answer
The Homunculus Nebula
The Great Eruption experienced by Eta Carinae in the 1840s resulted in the ejection of a substantial shell of material into space surrounding the star system. This ejected material subsequently formed a distinct and visually striking structure known as the Homunculus Nebula. This nebula is characterized by its bright, hourglass-shaped appearance and often seems to obscure the central, brightest parts of the greater Carina Nebula. The presence of the Homunculus Nebula serves as tangible evidence of the profound energetic impact a single massive star system can have on its immediate cosmic surroundings.
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