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The Times Real Estate

5 twinkling galaxies help us uncover the mystery of the Milky Way's missing matter

  • Written by Yuanming Wang, PhD student, University of Sydney
5 twinkling galaxies help us uncover the mystery of the Milky Way's missing matterAuthor provided

We’ve all looked up at night and admired the brightly shining stars. Beyond making a gorgeous spectacle, measuring that light helps us learn about matter in our galaxy, the Milky Way.

When astronomers add up all the matter detectable around us (such as in galaxies, stars and planets), they find only half the amount expected to...

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