RGB stars in Sagittarius streams
收藏B2FIND2026-03-19 收录
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The Sagittarius (Sgr) dwarf spheroidal galaxy is currently being disrupted under the strain of the Milky Way. A reliable reconstruction of Sgr star formation history can only be...
人马座（Sgr）矮球状星系目前正受银河系潮汐力的作用而逐渐瓦解。对该星系恒星形成历史的可靠重建，仅能……
