这样的重力拖拽之战也许也是触发m51中恒星形成水平高低的原因。
This gravitational tug of war may also have triggered an increased level of star formation in M51.
这样的重力拖拽之战也许也是触发M51中恒星形成水平高低的原因。
This gravitational tug of war may also have triggered an increased level of star formation in M51 .
这样的重力拖拽之战也许也是触发M51中恒星形成水平高低的原因。
This gravitational tug of war may also have triggered an increased level of star formation in M51 .
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