English Dictionary

Gaia-Enceladus

固有名詞

(astronomy, galactic archaeology) A former galaxy, which merged into the Milky Way Galaxy around 10 billion years ago, the remnants of which now form the Gaia Sausage population within the Milky Way Galaxy.

日本語の意味

約100億年前に天の川銀河と合体したと考えられる、かつて存在していた銀河。現在、その残骸が天の川銀河内の『Gaia Sausage population（ガイア・ソーセージ集団）』として認識されている。

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.

運動学と化学組成を調べることで、研究者たちは約100億年前に天の川銀河と合体した古代の銀河の星の残骸をたどることができた。

意味（1）

(astronomy, galactic archaeology) A former galaxy, which merged into the Milky Way Galaxy around 10 billion years ago, the remnants of which now form the Gaia Sausage population within the Milky Way Galaxy.