NASA | Scientists Create First Full 3D Model of Eta Carinae Nebula

The video explores Eta Carina, a massive binary star system nearing the end of its life. It discusses the 1840s great eruption, which expelled significant mass and formed a surrounding nebula. Through international collaboration, a detailed spectroscopic mapping of the Homonculus nebula was conducted, leading to the creation of a 3D model. This model revealed unique features and suggested that binarity played a crucial role in the eruption and nebula formation, challenging previous assumptions.

How does the new model of the Homunculus nebula suggest that binarity played a role in its formation?

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What evidence do we have that supports the idea of binarity affecting the great eruption of ETA Carina?

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