Gaia Sausage
构词拆分
词源说明
释义（英文）
专有名词 Proper noun
- (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.