Gaia Sausage

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English

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Etymology

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From Gaia +‎ sausage. From being discovered by the Gaia Mission, a European Space Agency space telescope that maps the stars of the Milky Way, and forming a sausage-shaped plot in velocity-space.

Proper noun

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Gaia Sausage

  1. (astronomy) A stellar population within the Milky Way Galaxy that forms a sausage-shaped plot in velocity-space, which is thought to originate from a galaxy merger ten billion years ago, with the Gaia-Enceladus galaxy, composing mostly Milky Way halo stars.

Synonyms

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