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Galaxy > MilkyWayGalaxy
形成
- Presumed Proto-Galactic Fragments in the Inner Milky Way
- Researchers identify two of the Milky Way's earliest building blocks
- 120億〜130億年前に天の川銀河の祖先と合体した銀河の残骸を発見
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- Photographer Spends 12 Years, 1250 Hours, Exposing Photo of Milky Way
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