如图中的圆a、b、c,其圆心均在地球的自转轴线上,b、c的圆心与地心

如图中的圆abc,其圆心均在地球的自转轴线上,bc的圆心与地心重合,对卫星环绕地球做匀速圆周运动而言(   )

A.卫星的轨道可能为a            

B.卫星的轨道可能为b

C.卫星的轨道可能为c           

D.同步卫星的轨道只可能为b

答案

BCD

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