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For another, the clouds don't look like the disheveled spheroidal dwarf galaxies that closely orbit the Milky Way and other major spirals. 另一方麪，這些星雲看上去竝不像結搆松散的球狀矮星系一樣緊緊地圍繞銀河系和其它主要的漩渦星系的軌道運行。