天体系统的层次,由小到大排列顺序正确的是 A.太阳系→银河系→

天体系统的层次,由小到大排列顺序正确的是

A.太阳系→银河系→地月系→总星系    B.银河系→河外星系→太阳系→总星系

C.地月系→银河系→总星系→河外星系   D.地月系→太阳系→银河系→总星系

答案

D

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