For a number of other galaxies, astronomers can circumvent the dark-matter problem by observing how a galaxy bends the light of more distant galaxies.

对于一些别的星系，天文学家可以通过观测星系怎样扭曲更远的星系发出的光来规避暗物质的问题。

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For a number of other galaxies, astronomers can circumvent the dark-matter problem by observing how a galaxy bends the light of more distant galaxies.

对于一些别的星系，天文学家可以通过观测星系怎样扭曲更远的星系发出的光来规避暗物质的问题。

youdao