At the observed speeds, the outer galaxies should be flung out into space, since the clusters don't appear to have enough mass to keep the galaxies at their edges gravitationally bound.

星系外环应以可以观测到的速度被甩入太空，因为星团的质量不足以通过万有引力来束缚星系的边缘部分。

youdao

At the observed speeds, the outer galaxies should be flung out into space, since the clusters don't appear to have enough mass to keep the galaxies at their edges gravitationally bound.

星系外环应以可以观测到的速度被甩入太空，因为星团的质量不足以通过万有引力来束缚星系的边缘部分。

youdao