最終更新日：2025/12/06
By studying kinematics and chemical abundances, researchers have traced the stellar debris of Gaia-Enceladus back to a galaxy that merged with the Milky Way roughly ten billion years ago.
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By studying kinematics and chemical abundances, researchers have traced the stellar debris of Gaia-Enceladus back to a galaxy that merged with the Milky Way roughly ten billion years ago.
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